Moderna Inc. wrongly claimed ownership of the technology it used to develop the Covid-19 vaccine, Pfizer Inc. and BioNTech SE told a federal court in a legal clash between the vaccine titans.

The Federal Circuit’s chief judge signaled Monday that she’d like to use a trademark case involving Apple Inc.'s rights to use “Apple Music” in connection with live entertainment and its distribution as a catalyst to clarify the standard for when companies are able to extend their use of a mark back in time.

The US won’t agree to waive intellectual-property protections for Covid-19 treatments and tests this year -- aligning with developed-nation peers and damaging prospects for a World Trade Organization accord aimed at boosting global access to life-saving medicines.

A duo of filmmaking brothers filed their suit claiming producer Spike Lee ripped off their work to make the movie “American Skin” in the wrong place, a Washington, D.C., federal court found.

Adidas AG’s trademark fight with luxury fashion brand Thom Browne Inc. over the three-stripe design moved closer to trial after a Manhattan federal judge mostly denied the parties early wins.

The US Patent and Trademark Office has shrunk the timeline for applicants to respond to office actions for trademark applications to three months, from six, the PTO announced Monday.

Nike Inc. filed a federal lawsuit in California against rapper Lil Gnar’s clothing company, Gnarcotic LLC, alleging their sneaker designs infringe on its marks.