Intellectual Ventures, a large patent-licensing firm, has filed a second patent-infringement lawsuit against Motorola Mobility while its first patent lawsuit is still pending in a Delaware count.

The USPTO has confirmed four claims of Apple's overscroll bounce patent, including claim 19 of the patent, according to a document filed with a Californian court on Thursday. That claim played a crucial part in Apple's US$1.05 billion dollar lawsuit against Samsung,.

SAP has received a ruling that sets a legal landmark in patent law and could also prove favorable to its defense in a long-running intellectual-property dispute with Versata.

Rambus has signed a US$240 million patent licensing agreement with SK Hynix, ending a nearly 13-year patent dispute between the two companies over memory-chip technology.

Streaming video service Netflix does not infringe on several Rovi patents on an interactive program guide and parental control technology, the U.S. International Trade Commission said in a preliminary ruling.

Apple infringed a Samsung Electronics patent, the U.S. International Trade Commission said in a final judgment released Tuesday that bans import into the U.S. of certain AT&T iPhone and iPad models.

The U.S. Congress should allow new challenges to patents on processes that are enabled by computers, and lawmakers should make it more difficult for patent-holding firms to gain import injunctions at the U.S. International Trade Commission, the White House has recommended.

The Chinese State Intellectual Property Office (SIPO) on Tuesday signed an agreement to start using the same patent classification system as adopted by the E.U. and U.S. patent authorities in January, the European Patent Office (EPO) announced.

Over the past year, patent battles have been fought by tech companies in courtrooms all over the world. The litigation is far from over though, however, and will continue throughout 2013. This is what's at stake on the patent battlefield in the near future.

Samsung took a step toward finding a kind of "pax tabletica" with arch-foe Apple in an Australian court last week, offering to remove features from its Galaxy Tab to avoid a court ban on sales of the device in that country. But what's really interesting about the case isn't the technical litigation, but the underlying attempt to define how much of a product's design is actually protected under existing, fragmented international laws.