Michael Weil

Mr. Weil concentrates his practice in intellectual property law with an emphasis on patent law, representing inventors and businesses in patent prosecution, IP transactional work, and litigation.  Mr. Weil has experience prosecuting patents in the mechanical and software arts, including patents relating to medical devices, mechanical systems, software systems, and agriculture. Mr. Weil has also helped several businesses file and maintain their trademarks. Prior to joining Cook Alex Ltd., Mr. Weil was an intellectual property associate at a Chicago-based general practice firm.

Professional Activities

Mr. Weil is a licensed patent attorney. He was admitted to the Illinois Bar in 2015 and became registered to practice by the United States Patent and Trademark Office in 2016. He is an active member in the American Bar Association, the Illinois State Bar Association, and the Chicago Bar Association. He is a member of the Decalogue Society of Lawyers, where he has lectured. Mr. Weil is also a frequent author for the Illinois State Bar Association’s Intellectual Property Law Newsletter.


Mr. Weil received his J.D. from Fordham University School of Law, where he was awarded the Archibald R. Murray Award for Public Service. While at Fordham, Mr. Weil served as a mediator in New York City’s civil court, and edited Fordham’s Intellectual Property Law Journal. As an undergraduate, Mr. Weil received a B.A. in History cum laude from Brandeis University and also studied biology, chemistry, and physics.


USPTO gives patent examiners new subject matter eligibility guidelines following Vanda | ISBA | Intellectual Property Law Newsletter | November 2018

Hold the Mayo: Vanda ruling reviews patent subject matter eligibility | ISBA | Intellectual Property Law Newsletter | June 2018

Stop the Music? Spotify sued for $1.6 Billion | ISBA | Intellectual Property Law Newsletter | March 2018

Helsinn v. Teva: The America Invents Act on sale | ISBA |Intellectual Property Law Newsletter| November 2017

Sandoz v. Amgen: Supreme Court makes first decision on biosimilars | ISBA | Intellectual Property Law Newsletter| September 2017

Sandoz v. Amgen: Biosimilars arrive at the Supreme Court | ISBA |Intellectual Property Law Newsletter | June 2017