Close

Articles Posted in USPTO

Updated:

USPTO Restores Strict RPI Filing Date Rule

On February 3, 2026, the United States Patent and Trademark Office (USPTO) de-designated Proppant Express Investments, LLC v. Oren Technologies, LLC and Adello Biologics LLC v. Amgen Inc. from precedential status. In both decisions, the Patent Trial and Appeal Board (PTAB) held that a petitioner may amend its identification of…

Contact Us