The U.S. Patent and Trademark Office is the federal agency for granting U.S. patents and registering trademarks. Pictured June 30, 2018, in Arlington, Virginia. Photo: Mark Van Scyoc/Shutterstock.

Learn about letters patent, an official document granting exclusive rights or titles, its legal implications, and how it shapes inventions and titles globally.

So-called “demand letters,”in which patent-holders assert that other businesses or even consumers infringe their patents, have become the focus of many recent efforts to defang patent “trolls.” Such ...

“At the time of writing in 2018, 11 out of the 12 drugs studied did not have any generic or biosimilar competition in the United States. Even the drug that did have competition (Remicade) at the time ...

Lawmakers are urging the U.S. Patent and Trademark Office to use its authority to ensure lower priced drugs make it to market, but a drug company attorney said blaming the current patent system for ...

“When one patent is deemed meritless, the associated duplicates should fall as well.” – Rep. Darrell Issa A bipartisan group of congress members sent a letter to U.S. Patent and Trademark Office ...

Regrettably, however, the hurdles before those seeking to protect an innovation and thereby secure investment are at their highest in modern times. Patent Office fees have risen dramatically recently, ...

The letter was received at 4:00 pm PDT on Wednesday, August 11, 2010. The letter does not suggest that the Genentech Products do not infringe PDL's United States patents to the extent that such ...