Patent thickets, particularly those involving pharmaceutical patents, appear to have caught the ire of many U.S. senators. Within the past few weeks, two separate letters have urged action to find ways to prevent issuance of overlapping patents covering a single pharmaceutical product. The letters provide insights into the tools they believe are available to address
On March 14, 2022, Regeneron Pharmaceuticals Inc. (“Regeneron”) filed a statutory disclaimer under 37 CFR § 1.321 disclaiming all claims of U.S. Patent No. 10,857,231 B2 (the “’231 patent”) in response to a petition for a post-grant review submitted by Celltrion Inc. (“Celltrion”). On September 7, 2021, Celltrion submitted a petition for post-grant review of
On March 8, 2022, Alvotech announced that it has executed a U.S. settlement agreement with Abbvie that grants Alvotech non-exclusive rights to market AVT02 (adalimumab) in the U.S starting July 1, 2023. AbbVie confirmed the resolution of disputes and stated that Alvotech will take a non-exclusive license to the patents, and in return, pay royalties
The Standing Committee of the 13th National People’s Congress, China’s top legislature, adopted the Fourth Amendment to the 1984 Chinese Patent Law on October 17, 2020. The Fourth Amendment follows a series of amendments that were last adopted in 2008 and will become effective on June 1, 2021. Among the provisions is Article
In the context of Immunex’s patent on IL-4 antibodies, the Federal Circuit says yes.
On October 13, 2020, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (the “Board”) final written decision in IPR2017-01884, holding invalid all claims of U.S. Patent No. 8,679,487 (“the ’487 patent”) assigned to Immunex. The ‘487 patent is drawn
For decades, courts have construed the transitional phrase “consisting essentially of” to mean that the scope of a claim is limited to the specified materials or steps “and those that do not materially affect the basic and novel characteristic(s)” of the claimed invention. In re Herz, 537 F.2d 549, 551-52, 190 USPQ 461, 463 (CCPA