On March 16, 2022, the Federal Circuit denied Biogen’s petition for rehearing of its November 2021 decision in Biogen Int’l GmbH v. Mylan Pharms., Inc., 18 F.4th 1333, 1343 (Fed. Cir. 2021), which found that Biogen’s patent U.S. 8,399,514 (“the ’514 patent”) covering the treatment of multiple sclerosis (MS) with dimethyl fumarate (DMF, Brand
Xiaoban Xin
With years of experience as a biomedical researcher, Dr. Xiaoban Xin assists companies and research institutes with building, managing, and protecting their patent assets, strategic patent counseling, and due diligence. Xiaoban has specific experience working with clients in the fields of biotechnology, including gene editing (e.g., CRISPR technology), next generation sequencing, immunotherapy, cell therapy, biologics, stem cells, genetically modified animals, and pharmaceutical formulations, as well as medical device and health IT.
Is Silence Disclosure?
On January 3, 2021, The Federal Circuit held in a 2-1 decision in Novartis Pharmaceuticals Corp. v. Accord Healthcare, Inc. (Fed. Cir. 2022) that the claims of Novartis’ U.S. Pat. No. 9,187,405 (“the ’405 patent”) met the written description requirement under 35 U.S.C. § 112(a). Defendant HEC Pharm Co. Ltd. was the only remaining defendant…
PTAB Agrees to Review Novartis’ Patent for an Ophthalmic Injection Syringe
On October 26, 2021, the Patent Trial and Appeal Board (PTAB) granted Regeneron’s petition to institute an inter partes review (IPR) of Novartis’s patent U.S. Pat. No. 9,220,631 (“the ’631 patent”), which covers a pre-filled glass syringe for injecting a VEGF-antagonist into the eye. This is the second time the PTAB reviewed Regeneron’s petition to…
Chinese Patent Linkage, Patent Term Adjustment, and Patent Term Extension Guidelines Unveiled For Comments
On August 3, 2021, the China National Intellectual Property Administration (CNIPA) released the Draft Revised Patent Examination Guidelines (“Draft Guidelines”) for comments. The revisions in the Draft Guidelines reflect the recently amended Chinese Patent Law that came into effect on June 1, 2021, and the Draft Revised Implementing Regulations (“Draft Regulations”) of the Chinese Patent…
‘The Sky is [Not] Falling,’ Federal Circuit Urges as it Continues to Dismantle Broad Pharmaceutical Patents
On June 21, 2021, the Federal Circuit denied Amgen’s petition for en banc review of the court’s February 2021 decision in Amgen Inc. et al. v. Sanofi, Aventisub LLC, et al., 987 F.3d 1080 (Fed. Cir. 2021), which found that Amgen’s two patents covering the cholesterol-lowering antibody drug Repatha® are invalid for lack of…
Patent Term Extension Introduced by the Fourth Amendment to the Chinese Patent Law
In an earlier post, we discussed the patent linkage system implemented in the Fourth Amendment to the Chinese Patent Law, which will come into effect on June 1, 2021. Another important change in the amendment is the introduction of Patent Term Extension (PTE) for pharmaceutical patents.
The new PTE provision is in the 3…
Growing Competition for the World’s Most Profitable Drug as Multiple New Adalimumab Biosimilars Launch
During the first quarter of 2021, multiple companies launched adalimumab biosimilars as a growing number of biosimilar players marketed their versions of the world’s most profitable drug, Humira®, which had sales of about $20 billion in 2020. While none have launched thus far, at least eight adalimumab biosimilars are due to launch by…
7th Circuit Hears Oral Arguments in Humira “Patent Thicket” Antitrust Case
On February 25, 2021, the U.S. Court of Appeals for the Seventh Circuit heard oral arguments in UFCW Local 1500 Welfare Fund v. AbbVie Inc. (Case No. 20-2402), a case appealed from the U.S. District Court for the Northern District of Illinois by a group of Humira buyers (including consumer groups, drug wholesalers, and unions)…
FDA Accepts Bio-Thera’s BLA for Bevacizumab Biosimilar
On January 28, 2021, Bio-Thera Solutions, Ltd., a biopharmaceutical company based in China, announced that the U.S. Food and Drug Administration (FDA) accepted its Biologics License Application (BLA) for BAT1706, a proposed biosimilar to bevacizumab, referencing Genentech’s Avastin®, but excluding indications under orphan drug exclusivity protection. The FDA has set November 27, 2021,…