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Disclosure Requirements Patent Invalidity United States Patent and Trademark Office

Wilson Sonsini Goodrich & Rosati

Inventor’s Failure to Provide Material Information to the USPTO Results in an Unenforceable Patent

On August 20, 2025, the U.S. District Court for the District of Delaware (court) found inequitable conduct when Applicant, Lindis Biotech, GMBH (Lindis), relied on data from hastily performed experiments to obtain a patent...more

McCarter & English, LLP

New Patent Office Guidance Raises Bar for IPR Petitioners

The Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...more

Volpe Koenig

When an IDS Comes Back to Haunt You: Lessons from iRhythm v. Welch Allyn

Volpe Koenig on

Patent attorneys are well-versed in the function of the Information Disclosure Statement (IDS) during prosecution. We understand that listing prior art in an IDS satisfies the duty of candor, helps insulate patents from...more

Amundsen Davis LLC

Preserving Patent Rights: Impact of Public Use on Patenting

Amundsen Davis LLC on

For a business planning to market a product that incorporates an invention, having an enforceable patent to protect the invention is often desirable. Two recent federal circuit cases reiterate what many patent holders and...more

McDermott Will & Emery

ANDA Update - October 2015

McDermott Will & Emery on

Federal Circuit Interprets Statutory Requirements for Biosimilar Regulatory Pathway - Amgen Inc., v. Sandoz Inc., (Fed. Cir. July 21, 2015): In a case of first impression, the U.S. Court of Appeals for the Federal...more

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