Greenhurst Intellectual Property Lawyers

I am the founding member of Kelleher Patent Law. During and after engineering school, I had several contract engineering positions, which included product development, manufacturing process improvements, failure analysis. This experience has helped me better understand the development hurdles a client will see while developing, testing and manufacturing their product. As a strategic and tactical thinker, I am able to better understand the variations that clients’ products may undergo which has allowed me to produce better patent applications. I have successfully prosecuted a variety of patent applications and trademark registrations. I feel that the inventions, technology and new businesses created today...

Joshua is an experienced patent attorney and counselor who leads Stake to provide top-of-class client service. With an applied physics background, Joshua has experience working with clients innovating in electronics, optics, software, physics, and more.

Kevin Burke is a Buffalo business attorney focused on the litigation of contract disputes, labor and employment issues, intellectual property protection, and trade secret cases. Kevin has represented both individuals and businesses since he moved home from Washington, D.C. in 1999, where he graduated with honors from Georgetown University and George Washington University Law School. Kevin has tried dozens of major commercial and employment cases to verdict. He regularly handles appeals before the Appellate Division, State of New York and the Second Circuit Court of Appeals. He frequently writes and lectures on employee mobility issues, including the evolving area of...

Leslie Mark Greenbaum has been an attorney with Gross Shuman P.C. since 1978. He concentrates his practice in the areas of copyright, trademark, entertainment, art and sports law, unfair competition and related litigation. He is admitted to practice in all State and Federal courts in the State of New York and to the United States Supreme Court. For several Western New York arts and community organizations, Les serves as a member of the board and/or an advisor. He frequently lectures to professional and general audiences in his areas of concentration.

My name is Nicholas Andrews. I decided to become a lawyer when I was a junior in high school. Before that, I never really knew what I wanted to be. In elementary school I thought I would be a fireman because they drove cool trucks, or maybe an “army guy” like my big brother. In junior high, I thought about being a chemist. But I quickly discovered I was not cut out for that. Nothing else really appealed to me, until I heard someone mention how someone else would make a good lawyer. That got me thinking that maybe I...

Andrea A. Willis, Esq. is a top-rated business attorney licensed in Florida and New York, known for delivering high-impact legal counsel to entrepreneurs, startups, and established companies. With a proven track record in contract negotiation, mergers and acquisitions, and business structuring, Andrea has successfully closed over 100 M&A transactions, with deals spanning from small businesses to multi-million dollar corporations. As a trusted mergers and acquisitions lawyer and corporate counsel, Andrea combines legal strategy with practical business insight. She frequently acts as a legal advisor and mentor to her clients—helping them minimize risk, maximize value, and scale sustainably. Her approach is...

Vincent G. LoTempio is a Registered Patent Attorney with experience in patent law in both corporate and private practice. His practice focuses on all intellectual property matters including patent, trademark, copyright prosecution and infringement litigation. Mr. LoTempio is a consultant to corporations regarding IP management and strategy. Vincent G. LoTempio has had a varied professional career as a trial attorney, educator, and patent practitioner. He has lectured and taught CLE courses regarding patent and trademark law. Mr. LoTempio is an instructor in continuing education programs and currently teaches a course for corporate R & D employees entitled Patent Fundamentals:...

Michael Berchou has litigated complex intellectual property matters for 20 years. He has served as lead counsel in multiple patent, trade secret, trademark and copyright cases in district courts across the country, as well as Inter Partes Review (IPR) and Ex Parte Reexamination proceedings at the Patent Trial and Appeal Board, and numerous opposition and cancellation proceedings at the Trademark Trial and Appeal Board. A registered patent attorney and electrical engineer, Michael has represented clients as both plaintiffs and defendants in diverse technology areas including medical devices, vibration sensors/accelerometers, computer storage and network connectivity, live streaming, ballistic fabrics, and artificial...