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United States Patent and Trademark Office › Inequitable Conduct › Disclosure Requirements

The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.... more +
The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.    less -
Wilson Sonsini Goodrich & Rosati

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

Wilson Sonsini Goodrich & Rosati on

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

Orrick, Herrington & Sutcliffe LLP

Therasense Revisited: In re Rosuvastatin Calcium Patent Litigation

Orrick, Herrington & Sutcliffe LLP on

In the United States, patent applicants and their counsel owe a duty of candor and good faith to the Patent Office. This duty is breached when the applicant or its counsel knowingly fails to disclose material prior art...more

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