The United States Patent and Trademark Office (USPTO) issued updated guidance on the duty of candor and duty to disclose in relation to submissions made to other government agencies, particularly the Food and Drug Administration (FDA). The Notice did not constitute new rule making and instead aims to clarify the obligations of patent applicants and
Senators Urge Regulators to Block and Clear Patent Thickets
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…
Just Skinny Enough: District Court Dismisses Inducement Claims Against Generic “Skinny Label”
On January 4, 2022, the District Court for the District of Delaware granted Hikma Pharmaceuticals USA Inc.’s (“Hikma”) motion to dismiss Amarin Pharma Inc.’s (“Amarin”) infringement claims, finding that Hikma’s “skinny label” for its generic heart drug, icosapent ethyl, did not induce infringement of Amarin’s three patents. This decision comes on the heels of the…
PTAB to Review Two Eylea® (aflibercept) Patents After Granting Mylan’s Challenges
The U.S. Patent and Trademark Office (USPTO) recently instituted two of Mylan’s petitions seeking Inter Partes Review of Regeneron’s U.S. Patent No. 9,669,069 B2 (the “’069 Patent,” subject of IPR2021-00880) and U.S. 9,254,338 B2 (the “’338 Patent,” subject of IPR2021-00881), finding that Mylan (now part of Viatris) established a reasonable likelihood in prevailing in showing…
Key Members of Congress Urge USPTO to Curtail Discretionary Denials of IPR Petitions to Help Lower Drug Costs by Breaking Patent Thickets
On September 16, 2021, eleven congressional leaders (“the Signors”) sent a letter to Andrew Hirshfeld, the acting director of the United States Patent and Trademark Office (“USPTO”), requesting the USPTO to reevaluate the Patent Trial and Appeal Board’s (“PTAB”) view on discretionary denials of petitions for inter partes review (“IPR”). The Office uses discretionary denials…
RFEM’s Biosimilars Inter Partes Review (IPR) Dashboard
RFEM’s Biosimilars IPR Dashboard provides current information on IPR proceedings related to proposed biosimilar products.
Sandoz Enters IPR Battlefield on Humira® Patents
Sandoz, Inc. (“Sandoz”) entered into the battlefield over patents related to AbbVie’s Humira® (adalimumab). On July 20, 2017, Sandoz filed petitions with the Patent Trial and Appeal Board (“PTAB”) for inter partes review (“IPR”) of two patents assigned to AbbVie, U.S. Patent No. 8,802,100 (“the ’100 patent”) entitled “Formulation of Human Antibodies for Treating TNF-Alpha…
Pfizer Challenges Another Herceptin® Patent With Two New IPR Petitions
On June 30, 2017, Pfizer, Inc. (“Pfizer”) filed two new petitions for inter partes review (“IPR”) of U.S. Patent No. 8,591,897 (“the ’897 patent”) related to Genentech’s Herceptin® (trastuzumab). Pfizer has a trastuzumab biosimilar in phase III development, but it has not yet announced the filing of an application for that product with the…
Pfizer Challenges Genentech’s Carter ’213 Antibody Patent With Two New IPR Petitions
On May 25, 2017, Pfizer, Inc. (“Pfizer”) filed two new petitions for inter partes review (“IPR”) of U.S. Patent No. 6,407,213 (“the ’213 patent”). The ‘213 patent, entitled “Method for Making Humanized Antibodies,” issued on June 18, 2002. Although the IPR petitions do not identify a particular biologic, Genentech has publicly stated that the technology…
Celltrion Challenges Another Herceptin® Patent With Two New IPR Petitions
Last week, Celltrion, Inc. (“Celltrion”) filed two new petitions for inter partes review (“IPR”) of U.S. Patent No. 6,407,213 (“the ’213 patent”) related to Genentech’s Herceptin® (trastuzumab). Celltrion has announced that it plans to submit an application for a trastuzumab biosimilar product to the FDA this year (possibly as early as next month), as reported…