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A patent relating to a method of treating rheumatoid arthritis using rituximab recently survived its fourth IPR challenge. Celltrion, Inc. v. Biogen, Inc., IPR2016-01614 (PTAB Feb. 21, 2018). The PTAB determined that the Petitioners failed to establish that the challenged claims of the patent were obvious over prior art, in part, because of the Petitioners’ failure to establish the prior art status of the product label for RITUXIN®, which contains rituximab.
Continue Reading Rituxan Patent Spared by Failure to Establish Product Label as “Printed Publication”

On February 9, 2018, the PTAB denied Sandoz Inc.’s petition for inter partes review of U.S. Patent No. 9,512,216, a patent owned by AbbVie Biotechnology Ltd. The patent recites methods for treating moderate-to-severe chronic plaque psoriasis with adalimumab, a human anti-tumor necrosis factor α (TNFα) antibody.  The methods of the claimed invention involve subcutaneously administering to a patient an initial dose of 80 mg of adalimumab, followed by 40 mg of adalimumab every other week starting one week after the initial dose.  The patent is one of several patents AbbVie owns that relate to its blockbuster autoimmune drug Humira. 
Continue Reading Petitioner Failed to Show That Patent Owner’s Drug Product Package Insert Was a Printed Publication

Resources & Info

Arthrex and the Supreme Court Resource Center

In United States v. Arthrex, Inc., the Supreme Court has heard whether 125+ PTAB decisions rendered through October 2019 must be remanded for new decisions. Read about how that issue developed through our post.

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Our Team

PTABWatch, provided by Marshall, Gerstein & Borun LLP, analyzes and reports recent developments concerning Post-Grant Proceedings at the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO), including Inter Partes Review (IPR), Post Grant Review (PGR), and Covered Business Method (CBM) proceedings.