Nassau County Patents Lawyers

Alexander regularly advises clients on corporate transactions, alternative investments, and Blockchain/Distributed Ledger Technology (DLT) related matters. He has helped companies raise capital through traditional and nontraditional vehicles, and advises clients on a variety of business arrangements. He has experience advising investors, entrepreneurs, and startups through the different stages of corporate growth, including acting as outside general counsel for several of these companies.

Prior to practicing law, over the span of 10 years, he successfully founded and operated several businesses in the legal-technology, human resources/outsourcing, and entertainment industries.

Alexander earned a Master’s degree in finance from Harvard University, where he served as a...

Mark C. Johnson, Esq., managing partner of Johnson Dalal, is a Registered Patent Attorney with the United States Patent and Trademark Office, a licensed attorney with the Florida Bar, a mechanical engineer, and a Florida Board Certified Expert in Intellectual Property Law.

Registered US Patent Attorney serving the community in intellectual property matters for over 30 years. Assisting in obtaining and enforcing patents, trade/service marks, and copyrights, including with U.S. Customs and Border Protection, as well as in Europe, Asia, Africa, Latin America, and the Caribbean through vast array of relationships with local counsels in foreign jurisdictions.

Alan M. Weisberg is a Registered Patent Attorney with an AV (Preeminent) peer rating by Martindale-Hubbel. A former engineer and consultant for IBM, with over 25 years of technical experience, he holds a J.D., cum laude, and an M.S. in Information Systems from Pace University, and a B.S.E.E degree from the Rochester Institute of Technology. Alan has extensive experience in patent and trademark prosecution, intellectual property litigation, legal opinions related to intellectual property, Internet issues, and technology licensing. He has very deep knowledge of computer and communications hardware and software technology.

Mr. Weisberg has been selected for inclusion in...

A Florida board-certified intellectual property lawyer, Mr. Leetzow previously practiced intellectual-property law at two large Washington DC intellectual property law firms and a Fortune 500 company. He has extensive patent prosecution experience in the fields of medical devices and medical imaging (CT, MRI, ultrasound), golf clubs and related devices, office products, flour-milling equipment and processes, and fiber optic devices and processes. Also, he has experience in trademark prosecution and infringement issues. He has served as an expert witness for patent and royalty issues in a litigation where the jury awarded the client more than $550 million in damages, and the...

Brian J. Paul is a member of the Florida Bar and a Registered Patent Attorney. He represents startups and Fortune 500 companies alike in a full range of intellectual property matters including patent, trademark, and copyright procurement, and litigation. Mr. Paul provides counseling with a deep understanding of his clients’ budget, technology, and competitive landscape. His patent practice emphasizes medical device, life science, and mechanical arts. Mr. Paul holds a J.D. from Stetson University College of Law and a B.S. in Biomedical Sciences from the University of South Florida. While in law school, Mr. Paul was a member of Stetson’s Veterans...

JOHN CHRISTOPHER is a Registered Patent Attorney. His practice encompasses all aspects of patent, trademark, and copyright portfolio development, management, exploitation and enforcement, as well as business transactions related to intellectual property. He works with publicly traded and privately held companies (domestic and international), start-up and early stage companies, individuals, universities, and investors in a broad range of industries, including medical and dental devices, aerospace and automotive hardware, marine hardware, refrigeration equipment, computer hardware, industrial machinery, electro-mechanical instrumentation, consumer goods, dietary supplements, and sports equipment among many others. Mr. Christopher provides counsel with respect to intellectual property...

My practice involves all aspects of intellectual property, from preparation and filing of applications to transactions involving assignments and licenses to litigation. I also have experience in conducting transactions involving the Internet and domain names.

Garrett Barten is a Registered Patent Attorney who is licensed to practice law in Florida, New York, and Pennsylvania. He holds an AV (Preeminent) peer rating by Martindale-Hubbell, a rating of “Superb” by AVVO, and has been recognized by Super Lawyers as a “Rising Star” for five consecutive years. He devotes his practice to intellectual property acquisition and litigation in matters such as patent, trademark, and copyright disputes in Federal Court, as well as cancellation and opposition proceedings before the Trademark Trial and Appeals Board. Mr. Barten also has years of experience preparing and prosecuting patent applications in...

Andrew Goldberg is a commercial litigator and registered patent attorney. He is licensed to practice law in Florida and California. In addition to litigating matters in Federal courts, he handles patent prosecution matters in support of the firm’s Electronics, Communication & Software Technology Practice Group and in support of the Medical Device & Life Science Technology Practice Group. Mr. Goldberg earned a B.A. in Organismic and Evolutionary Biology, cum laude, from Harvard University. He earned a Master of Engineering in Electrical Engineering from Boston University with a specialization in solid-state circuits, devices, and materials. Subsequently, he was awarded a J.D. from...

Juan U. Arcia primarily practices in the area of patent prosecution in support of the Firm’s Electrical and Computer Technology Practice Group. He is a member of the Florida Bar. Graduating 4th in his class at the Florida International University School of Law where he earned a J.D., Mr. Arcia holds an M.S. in Engineering Management, as well as a B.S. in Computer Engineering, cum laude, from Florida International University. Mr. Arcia has extensive experience with software in multiple areas such as programming languages including: IEC 61131-3 process logic controller programming languages, Visual Basic, Pascal, Java, JSP, C/C++; server OS systems including:...

Christopher Fernandez is a Registered Patent Attorney who supports the firm’s patent practice in the medical device, life science, and mechanical arts. Mr. Fernandez earned a J.D. from the University of Miami, cum laude. He earned a M.S. in Bioengineering from Clemson University with a specialization in Orthopaedics. Mr. Fernandez also earned a B.S. in Biomedical Engineering from the University of Miami with a specialization in mechanics as well as a specialization in Cardiology. While in law school, Mr. Fernandez was a member of the Start-Up Clinic where he helped start-ups with legal questions and Intellectual Property matters covering patents and trademarks. Prior...

Specializing in patent applications and patent searches in the mechanical, electro-mechanical, electrical and electronic, software, Internet and business method arts as well as providing related services including licensing agreements and prototype referrals. Helping clients obtain federal trademark protection.

Andrew J Thompson was licensed to practice in Indiana in 1990. He had previously passed the Uniform Certified Public Accounting examination in 1985, while working for KPMG Peat Marwick as a Tax Specialist. Mr. Thompson is an entrepreneur, long time estate planner, former trust officer, business owner, and experienced general practice attorney. The Thompson Law Office provides service to families and businesses with the goal of helping them achieve the best results in line with their goals. The practice is founded on a collaborative approach where the client always makes the decisions. Areas of practice...

Alyssa Castelli, Esq. is an associate attorney for Spire Law based out of our Orlando, Florida office. She is experienced in advising clients in healthcare compliance, intellectual property, and litigation issues. She helps businesses and business owners throughout the United States on trademark issues, including trademark filings, trademark litigation and responding to office actions from the U.S. Patent and Trademark Office (USPTO). Prior to joining Spire Law, she worked in-house at a healthcare clinic to assist with healthcare compliance issues, employment disputes, negotiate stock purchase agreements and review business contracts. Prior to graduating from law school, she assisted attorneys with...

Robert M Schwartz PA
Practice limited to patent trademark and copyright matters, prosecution, licensing, litigation in all courts, matters before the TTAB.