The Rockstar Consortium that acquired Nortel Networks' patents filed Thursday patent infringement suits against Google, Samsung, HTC and five other companies.
The bill would require companies suing for patent infringement to identify the patents and claims infringed in their initial court pleadings, potentially making it more difficult for patent holders to file broad infringement claims.
Motorola will be forced to pay up or stop making Android phones that infringe on Microsoft's patents.
Security firm Kaspersky Lab said patent firm Lodsys had withdrawn its claims rather than face the verdict of the court in a patent dispute.
HTC and Qualcomm are reworking a radio chip for the HTC One smartphone in order to avoid a U.S. ban on imports of patent-infringing technology, according to a Wall Street Journal report.
Germany's Federal Patent Court invalidated an Apple photo-management patent because Steve Jobs showed how the technology worked during a keynote months before the company applied for the patent in Europe.
The creation of a pan-European patent system will help spread abusive patent litigation to Europe and could lead to E.U.-wide sales bans on products, leading tech vendors have claimed.
A Seattle jury ruled in favor of Microsoft in a long-running patent dispute with Motorola over the h.264 video compression standard.
All but two of the top 30 companies targeted by "patent trolls" seeking licensing fees are in the technology sector, with Apple leading the way.
Samsung Electronics claims that Ericsson demanded billions more for patent licenses after their license agreement expired in 2007.