Quick answers to questions about the proposal at the World Trade Organization to lift intellectual property protections for makers of Covid-19 vaccines.

Actor Donald Glover, known musically as Childish Gambino, ripped off another music video to make his 2018 hit “This Is America,” a rapper alleged in a New York federal lawsuit.

The pharmaceutical companies hate it. The Biden administration is embracing it. Now, finding common ground for wider distribution of Covid-19 vaccines in poorer countries falls to the World Trade Organization -- a body known more for its inability to do international deals than to clinch them.

Merck & Co. Inc. and Glenmark Pharmaceuticals Inc. argued Thursday that the Fourth Circuit should reverse a decision granting class status to wholesalers alleging the manufacturers entered into an anti-competitive agreement to delay entry of generic competition to the cholesterol drug Zetia.

L’Oreal USA Inc. convinced the Federal Circuit to overturn a trial court ruling ordering it to pay $50 million for stealing trade secrets and infringing two patents on a hair-bleaching system.

The success of an international waiver of patent protections on Covid-19 vaccines largely hangs on whether the U.S. forces its companies to share manufacturing specifications and may not be the harbinger of global immunization it’s cracked up to be, critics say.

Wolf Athletics Inc. was hit with a trademark infringement suit by Tribe 7 Lacrosse in California federal court accusing its rival lacrosse gear manufacturer of violating its “Element” mark.