Sigel Intellectual Property Lawyers

Compare top rated Illinois attorneys serving Sigel.
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Brian E Haan
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Brian E Haan
Chicago, IL Intellectual Property Lawyer with 15 years of experience
(312) 982-0070 111 W. Jackson Blvd., Suite 2230
Chicago, IL 60604
IP, Patents and Trademarks
Chicago-Kent College of Law, Illinois Institute of Technology
I have served as trial and appellate counsel in intellectual property lawsuits across the country for corporate and individual clients. As a professional engineer with significant work experience prior to my legal career, I combine my advocacy skills with an engineer’s analytical aptitude and problem-solving skills as trusted counsel for my clients. I have patent trial experience through verdict, and have prepared numerous patent cases for trial on behalf of both plaintiffs and defendants resulting in favorable settlements. My practice further includes patent prosecution and post-issuance proceedings, including inter partes review and covered business method review proceedings before the Patent...
Margaret Marie Anderson
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Margaret Marie Anderson
OAK PARK, IL Intellectual Property Lawyer with 33 years of experience
(512) 826-5598 544 N GROVE AVE.
Suite 210
OAK PARK, IL 60302
IP, Business, Patents and Trademarks
University of Illinois College of Law
Richard Lofgren
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Richard Lofgren
Glen Ellyn, IL Intellectual Property Lawyer with 38 years of experience
536 Crescent Blvd., Suite 200
Glen Ellyn, IL 60137
Free ConsultationIP, Business, Construction and Employment
The John Marshall Law School
Over twenty eight years of legal experience working with businesses on the issues they face daily during their business cycles. I act in the capacity of an outside general counsel assisting business owners to make smarter decisions, build stronger relationships and make and save money. I stress the importance of recognizing that correct legal answers alone do not necessarily translate into the correct best business decisions. I represent all types of businesses in every stage of their business cycles from start up through eventual sale. Specialties: The Supreme Court of Illinois does not recognize certifications of specialities in the...
Michael La Porte
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Michael La Porte
Chicago, IL Intellectual Property Attorney with 27 years of experience
333 N. Michigan Avenue
Suite 2700
Chicago, IL 60601
Free ConsultationIP and Patents
Illinois Institute of Technology
We help inventors, patent owners, and other businesses protect and exploit their Intellectual Property in a variety of ways, including obtaining federal rights, contacting businesses seeking to use (or already using) your Intellectual Property, and taking enforcement steps where necessary. We also keep the playing field free for good ideas, by defending attacks against your business lines.
Philip Dalmage
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Philip Dalmage
Chicago, IL Intellectual Property Attorney
(312) 899-6625 161 N Clark St
#1600
Chicago, IL 60601
Free ConsultationIP, Business and Legal Malpractice
University of Illinois Chicago School of Law
Jeffrey Moisan
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Jeffrey Moisan
Chicago, IL Intellectual Property Attorney with 8 years of experience
(312) 283-8555 233 S Wacker Dr.
Suite 8400
Chicago, IL 60606
IP, Patents and Trademarks
DePaul College of Law
I am an Associate at Richards Patent Law where my primary areas of practice are Patent Prosecution and IP Strategy. I am admitted to practice in Illinois as well as a registered Patent Attorney with the United States Patent and Trademark Office. Prior to joining RPL, I earned my J.D. from DePaul University while also clerking at the Global IP Law Group, a patent litigation firm where I worked on numerous patent monetization projects. Additionally, during my time at DePaul, I was named a National Semi-Finalist at the National IP LawMeet, awarded both the Benjamin Hooks Distinguished Public Service Award...
Matthew Topic
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Matthew Topic
Chicago, IL Intellectual Property Lawyer with 17 years of experience
(312) 243-5900 312 N. May
Chicago, IL 60607
Free ConsultationIP, Business and Civil Rights
Chicago-Kent College of Law, Illinois Institute of Technology
Intellectual Property & Government Transparency | FOIA & Media Law | Small Business Attorney
Jeffrey Antonelli
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Jeffrey Antonelli
Chicago, IL Intellectual Property Lawyer with 23 years of experience
(312) 201-8310 35 East Wacker Drive
Suite 1875
Chicago, IL 60601
Free ConsultationIP
Founded and leads the nations most experienced BitTorrent copyright infringement defense practice. We represent people accused of online downloading of movies by Strike 3 Holdings LLc, Malibu Media LLC, Venice Pi LLC, UN4 Productions, ME2 Productions, Bodyguard Productions, Headhunter LLC, POW Nevada LLC, Rightscorp, Rightsenforcement, and others.

Nationwide help to nearly 2,000 clients against more than 50 movie companies' copyright infringement claims.

Founded and leads pioneering Drone Law practice, helping companies of every size access the national Airspace through FAA approvals, FAA defense, business advice, litigation, and public advocacy.
Scott Nyman
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Scott Nyman
Chicago, IL Intellectual Property Lawyer with 14 years of experience
(312) 487-2532 20 N Upper Wacker Dr
Suite 1200
Chicago, IL 60606
Free ConsultationIP, Patents and Trademarks
Nova Southeastern University
Scott Nyman started Nyman IP as a registered patent attorney that understands the need for efficiency in evaluating and protecting intellectual property. With a degree in electrical and computer engineering from The Ohio State University, where he specialized in digital hardware design, power systems, semiconductors, and microprocessor architecture, Scott competently works at a high level with pioneers of today's digital society. Scott has worked with inventors seeking patent protection in many technologies, including semiconductors, energy transformation, software and related systems, power generation, digital devices, communications, artificial intelligence, and network technologies. Scott also works closely with start-up and established businesses to...
Caleb R St.-Jean
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Caleb R St.-Jean
Chicago, IL Intellectual Property Attorney with 9 years of experience
(312) 550-5018 155 N Wacker Dr
Suite 4250
Chicago, IL 60606
IP, Patents and Trademarks
Chicago-Kent College of Law, Illinois Institute of Technology
I enjoy working with people to help bring better business ideas and technology into the world. I try to help people understand how the intellectual property legal system works and that it is a helpful tool, not an obstacle. I am committed to the long-term success of all my clients. I earned a Bachelor of Science degree in Computer Science with high honors from the Illinois Institute of Technology. After working for over 5 years in software development and technology consulting, I earned a Juris Doctor degree from the Chicago-Kent College of Law in Chicago, Illinois....
Michael J. Merrick
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Michael J. Merrick
Chicago, IL Intellectual Property Lawyer with 32 years of experience
(312) 269-0200 77 West Wacker Drive
Suite 4500
Chicago, IL 60601
Offers Video ConferencingVideo ConfIP, Employment and Workers' Comp
Creighton University School of Law and University of Nebraska College of Law
Bryan R. Bagdady
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Bryan R. Bagdady
Oakbrook Terrace, IL Intellectual Property Lawyer with 40 years of experience
(312) 300-6843 17W220 22nd Street
Suite 410
Oakbrook Terrace, IL 60181
IP, Business, Collections and Trademarks
DePaul College of Law
I founded Corporate & Estate Legal Services, Ltd. to focus on business contracts, commercial litigation, estate planning and probate cases. I have decades of experience handling civil litigation and commercial contracts. I represent both plaintiffs and defendants. I have a broad spectrum approach to B2B litigation. I can negotiate deals, document agreements, litigate, pursue post judgment collection, and prosecute or defend judgments on appeal. I was a scholastic debater in high school and college. I am very comfortable with contract litigation, declaratory judgments, decedent's estates, and business torts. My experience affords me the luxury of handling all phases...
James D Mitchell
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James D Mitchell
Chicago, IL Intellectual Property Attorney with 5 years of experience
(312) 982-0070 125 S Clark Street
Suite 1175
Chicago, IL 60603
Free ConsultationIP, Patents and Trademarks
Chicago-Kent College of Law, Illinois Institute of Technology
James (Jay) Mitchell joined Lee Sheikh & Haan as an associate in 2022. He has represented clients in a variety of intellectual property matters, including claims of patent infringement, trademark and trade dress infringement, false advertising, unfair competition, breach of contract, and other related equitable and tort claims. Previously, Jay had worked as an associate at a litigation firm where he was involved in all aspects of civil litigation, including taking fact and expert witness depositions, successfully arguing dispositive motions, and preparing and taking cases to trial with positive jury verdict outcomes as lead trial counsel. Jay received his Juris Doctor...
Marc Whipple
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Marc Whipple
Barrington, IL Intellectual Property Attorney with 28 years of experience
(847) 452-5786 330 East Main Street
Suite 211
Barrington, IL 60010
Free ConsultationOffers Video ConferencingVideo ConfIP, Business, Patents and Trademarks
Marc Whipple grew up in Iowa and has a degree in Physics and Math from Drake University. After receiving his J.D. from John Marshall, he became the General Counsel for Meyer/Glass Design, a Chicago invention studio descended from legendary innovation firm Marvin Glass & Associates. When Meyer/Glass started an interactive division, he helped set up, grow, and eventually spin off the software studio, in the meantime negotiating development agreements with companies like Hasbro Interactive and Microsoft for PC and console titles.

After his work at Meyer/Glass, he became the General Counsel of Incredible Technologies, Inc., and helped it take its first...
Lesley A. Wallerstein
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Lesley A. Wallerstein
Chicago, IL Intellectual Property Lawyer with 29 years of experience
(847) 912-3553 222 W Merchandise Mart Plz
Ste 1225
Chicago, IL 60654
Free ConsultationIP, Patents and Trademarks
Chicago-Kent College of Law, Illinois Institute of Technology
When you’re ready to grow your concept into something bigger, you need an attorney who will help build your business every step of the way, who will be there to answer your questions. You need an attorney who understands the business of invention. More than just getting you a patent, trademark or copyright, Lesley Wallerstein is your startup’s idea counsel. Educated at MIT and trained at the U.S. Patent & Trademark Office, I have the technical and legal skills to get the job done right.
David Brezina
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David Brezina
Chicago, IL Intellectual Property Lawyer with 45 years of experience
(312) 427-1300 224 S Michigan Ave
Chicago, IL 60604
IP, Business, Patents and Trademarks
John Marshall Law School and Chicago-Kent College of Law, Illinois Institute of Technology
David C. Brezina is of Counsel in the Chicago office of Ladas & Parry LLP. As an Intellectual Property law practitioner he has developed well-balanced experience handling patent, trademark and copyright matters. His litigation experience includes multifaceted cases having issues of patent, trademark, trade dress, copyright, trade secret, advertising and competition, especially where those issues intersect and overlap. He has appeared in more than 100 lawsuits, and settled others without appearing. He has also taught graduate and undergraduate law courses and delivered continuing education presentations covering these topics. With this experience in prosecuting and litigating intellectual property matters as well...
Juan Ooink
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Juan Ooink
Bolingbrook, IL Intellectual Property Attorney with 20 years of experience
(773) 720-9736 1947 Barrington Ave
Bolingbrook, IL 60490
Free ConsultationIP, Criminal, Domestic Violence and Patents
DePaul College of Law
Criminal defense attorney practicing in Will, Du Page, Cook, Kane, Kendall and surrounding areas handling matter from minor traffic tickets, DUIs, domestic battery, drugs cases, sex cases and all misdemeanors and felonies.
Sahil Malhotra
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Sahil Malhotra
Chicago, IL Intellectual Property Lawyer with 2 years of experience
(773) 270-9055 111 N. Wabash Avenue
Ste 100, #3262
Chicago, IL 60602
Free ConsultationIP, Business, Cannabis Law and Trademarks
University of Illinois Chicago School of Law
I am an Intellectual Property Attorney, who founded Drishti (“vision”) law because of my vision in protecting dreams and ideas. Drishti Law is a full-service Intellectual property law firm located in Chicago, Illinois. I am devoted to assisting clients identify and protect their competitive advantage by establishing a capitalization strategy that adapts to their needs. My expertise focuses on developing competent asset management strategies for innovators, creators, startups, and businesses.
Brent Wills
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Brent Wills
Chicago, IL Intellectual Property Attorney with 17 years of experience
120 N. LaSalle
20th Floor
Chicago, IL 60602
Free ConsultationIP, Business and Estate Planning
Washington University in St. Louis
Brent practices in the areas of estate planning and probate administration, probate and estate litigation, business succession planning, asset protection, commercial litigation, mergers and acquisitions, corporations, limited liability companies, and partnerships. He is a member of Wealth Counsel Trust an Estate Practice. In his practice, Brent represents individuals, families and corporate clients on estate planning matters in the formulation and implementation of strategies to reduce taxation, protect and preserve assets, and facilitate the transfer of assets among family members and other charities. Brent advises clients in connection with the establishment of both simple and highly customized estate...
Michael H. Traison
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Michael H. Traison
Chicago, IL Intellectual Property Lawyer with 40 years of experience
(312) 927-9669 225 West Washington Street
# 550
Chicago, IL 60606
IP, Bankruptcy, Business and Employment
Michigan State University College of Law
Theodore Chiacchio
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Theodore Chiacchio
Chicago, IL Intellectual Property Lawyer with 21 years of experience
(312) 815-2384 307 N Michigan Ave
#2011
Chicago, IL 60601
IP, Patents and Trademarks
Cornell Law School
Chiacchio IP, LLC, is a law firm that specializes in intellectual property law. Mr. Chiacchio has been practicing intellectual property law for over 15 years. He regularly prepares and prosecutes U.S. patent and trademark applications. Mr. Chiacchio counsels clients regarding a wide range of intellectual property issues, including patent, trademark, copyright, and trade secret issues. Mr. Chiacchio prepares cease-and-desist letters for clients whose intellectual property rights are being infringed or misappropriated. Mr. Chiacchio has also spent well over a decade litigating intellectual property disputes on behalf of his clients. He has served as lead trial counsel in federal trademark infringement,...
Rebecca Weissman
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Rebecca Weissman
Chicago, IL Intellectual Property Attorney
(312) 899-6625 161 N Clark St
#1600
Chicago, IL 60601
Free ConsultationIP, Business and Legal Malpractice
Northwestern University Pritzker School of Law
Joseph E. Reed
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Joseph E. Reed
Peoria, IL Intellectual Property Lawyer with 18 years of experience
(309) 494-7649 100 N.E. Adams Street
Peoria, IL 61615
IP and Patents
Georgetown University Law Center and University of San Diego School of Law
Charles Gardner
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Charles Gardner
Chicago, IL Intellectual Property Lawyer with 22 years of experience
(312) 521-2762 191 N. Wacker Dr.
18th Floor
Chicago, IL 60606
IP, Communications and Entertainment & Sports
Loyola Law School, Los Angeles
Charles H. Gardner serves as Special Counsel in the Intellectual Property & Technology group and head of the firm's social media practice. With extensive experience as a media executive, in-house counsel and litigator, Charles represents a broad range of clients on technology, social media, business and intellectual property matters, with a particular eye toward navigating the legal challenges and opportunities arising from the intersection of new media technology with traditional business issues.
In addition to a focus on traditional business law and intellectual property protection, Charles works with clients to develop and document policies, create and implement procedures and programs,...
Ilya G. Zlatkin
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Ilya G. Zlatkin
Chicago, IL Intellectual Property Attorney with 10 years of experience
(312) 809-8022 4245 N Knox Ave
Chicago, IL 60641
IP, Entertainment & Sports and Trademarks
University of Richmond School of Law
Ilya focuses his practice on helping creatives, entrepreneurs, and growing businesses capitalize on their ideas. He has represented clients in a variety of corporate transactions throughout the United States and abroad. In particular, Ilya has leveraged his Belarusian roots, work experience in St. Petersburg, and Russian-language skills to facilitate mergers, acquisitions, and investments related to Eurasian markets.

Within the entertainment industry, Ilya has worked with companies and individuals operating in media ranging from film and television to music and radio. He has counseled clients in matters related to acquiring rights, raising capital, and commercializing intellectual property. He is on...
David A. Eisenberg
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David A. Eisenberg
Downers Grove, IL Intellectual Property Attorney with 17 years of experience
(312) 332-4200 5117 Main St
#9
Downers Grove, IL 60515
Free ConsultationIP, Business and Legal Malpractice
University of Illinois College of Law
Stacey Kalamaras
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Stacey Kalamaras
Chicago, IL Intellectual Property Attorney with 19 years of experience
(708) 320-2033 4740 N Cumberland Ave. #309
Chicago, IL 60656
IP and Trademarks
The John Marshall Law School
Stacey C. Kalamaras is the founding partner of Kalamaras Law Office, LLC. She has extensive intellectual property experience with a focus on trademarks and copyrights, as well as, advertising issues related to promoting clients’ brands.
Ryan Zeller
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Ryan Zeller
Chicago, IL Intellectual Property Lawyer with 21 years of experience
(312) 789-5676 120 N. LaSalle
20th Floor
Chicago, IL 60602
Free ConsultationIP, Business, Collections and Legal Malpractice
DePaul College of Law
Zeller law is an innovative business law firm providing professional, efficient, and affordable legal representation to small businesses, start-ups, professionals, and entrepreneurs throughout Illinois. Our Chicago lawyers practice in the areas of civil and business litigation, corporate and business law, contract law, estate planning, and trademark law.
Maheen Baber
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Maheen Baber
Chicago, IL Intellectual Property Attorney with 14 years of experience
(312) 724-6574 2506 N Clark Street # 437
Chicago, IL 60614
Free ConsultationIP, Patents and Trademarks
Steven M. Evans
Claimed Lawyer ProfileOffers Video Conferencing
Steven M. Evans
Naperville, IL Intellectual Property Lawyer with 34 years of experience
(630) 544-9395 The Promenade Building
50 South Main Street, Suite 200
Naperville, IL 60540
Free ConsultationOffers Video ConferencingVideo ConfIP, Arbitration & Mediation, Patents and Trademarks
Indiana University - Indiana University-Bloomington
Do you want a patent that just hangs on the wall or stands up in court ? We are trial attorneys that write patents to stand up in court.
Elaine Ramesh
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Elaine Ramesh
Chicago, IL Intellectual Property Lawyer
(312) 724-8874
Ext. 102
77 W. Washington St.
Suite 800
Chicago, IL 60602
IP, Patents and Trademarks
Chicago-Kent College of Law, Illinois Institute of Technology
patent prosecution for chemical arts; U.S PTO registered attorney
Brett Manchel
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Brett Manchel
Chicago, IL Intellectual Property Lawyer with 11 years of experience
(312) 486-1033 100 S Wacker Dr
Suite 2000
Chicago, IL 60606
IP, Communications, Entertainment & Sports and Trademarks
Michigan State University
Brett Manchel is an associate attorney at Jayaram Law. He represents creatives, innovators, entrepreneurs, and artists in litigation and transactional matters pertaining to trademarks, copyrights, business formation and disputes, and licensing and publishing arrangements. Growing up playing the drums and DJing, he understands the creative process. Brett also helps clients with internet, cyber, and privacy legal matters. Brett knows the practice of law is customer service, and he strives to work aggressively and efficiently for clients.

Prior to joining Jayaram Law, Brett gained litigation experience, spending four years representing injury victims and their families in state and federal courts.

A Michigan native,...
Jonathan Lucas Allen Phillips
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Jonathan Lucas Allen Phillips
Peoria, IL Intellectual Property Attorney with 13 years of experience
(309) 981-3851 820 SW Adams
Peoria, IL 61602
Free ConsultationIP, Communications, Patents and Trademarks
DePaul University
Ryan Scott Replogle
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Ryan Scott Replogle
Chicago, IL Intellectual Property Attorney with 16 years of experience
(260) 403-9845 1021 W Buena Ave, Unit 1E
Chicago, IL 60613
Free ConsultationOffers Video ConferencingVideo ConfIP, Business, Energy and Securities
Washington University in St. Louis
I am ready to join your team of business and technical leaders by providing practical, value-driven legal counsel.

Since 2007, I have advised businesses in all stages of corporate growth on their most important commercial and government contracts, IP licensing matters, capital transactions, governance issues, employment matters, risk management strategies and securities law matters.

My clients appreciate my responsive and sophisticated representation, with “big firm” quality but at a fraction of the cost.

I am licensed in both New York and Illinois and have spent most of my career based in Chicago and New York City.
Jeffrey O. Davidson
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Jeffrey O. Davidson
Homewood, IL Intellectual Property Attorney with 36 years of experience
(708) 332-9200 1332 Jamie Lane
Homewood, IL 60430
IP and Entertainment & Sports
University of Michigan Law School
Brent E. Ohlmann
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Brent E. Ohlmann
Naperville, IL Intellectual Property Attorney with 34 years of experience
(630) 355-8008 1730 Park St
#210
Naperville, IL 60563
IP, Business, Communications and Trademarks
Northern Illinois University
Marc Blumenthal
Claimed Lawyer Profile
Marc Blumenthal
Chicago, IL Intellectual Property Attorney
(312) 899-6625 161 N Clark St
#1600
Chicago, IL 60601
IP, Business and Trademarks
Tulane University School of Law
Eric Ryan Waltmire
Claimed Lawyer Profile
Eric Ryan Waltmire
Wheaton, IL Intellectual Property Attorney
(630) 665-9404 1749 S. Naperville Rd, Suite 202
Wheaton, IL 60189
IP and Patents
Yan Zong
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Yan Zong
Westchester, IL Intellectual Property Attorney
(708) 531-1740 10330 W. Roosevelt Road, Suite 204
Westchester, IL 60154
IP, Antitrust and Business
DePaul College of Law
Edward Chalfie
Claimed Lawyer Profile
Edward Chalfie
Chicago, IL Intellectual Property Attorney
(312) 655-1500 120 S Riverside Plaza
Suite 2200
Chicago, IL 60606
IP and Business
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