Spansion and Samsung Electronics have agreed to settle all ongoing patent litigation and disputes, including their respective investigations with the US International Trade Commission.

Texas Instruments has agreed to license two patents from Eolas Technologies, which two years ago sued more than 20 companies for alleged patent infringement including TI, Google, Yahoo, Apple and Amazon.com.

Apple ramped up the rhetoric in its patent infringement battle with Samsung on Thursday, filing an amended complaint that includes more allegedly infringing devices and stronger accusations that the company copied the look and feel of its iPhone and iPad.

Apple agreed to pay the mobile phone maker a one-time sum, which was not disclosed, to settle a long-standing patent disputes.

Siemens lightbulb unit Osram is suing the Samsung and LG groups of companies for alleged infringement of patents on light emitting diodes (LED) technology, the German group said on Monday.

Professor Lee Jong-ho at the School of Electrical Engineering of Seoul National University has claimed that he is in possession of the patent on bulk FinFET and it is identical to Intel's tri-gate MOSFET.

The blog Patently-O claims that Apple received an "assignment of assignors interest" to the patents, which would protect the company against others who might later claim rights to the patent under color of title. The blog did not confirm whether or not Apple would actually hold title rights to the patents themselves, however.

A US appeals court found memory chip designer Rambus Inc was wrong to shred hundreds of boxes of documents relevant in two patent infringement lawsuits it filed, sending its shares down sharply.

Mosaid Technologies has commenced patent infringement litigation against Elpida Memory of Japan. Two other companies, Buffalo and Axiontech, are also named as defendants in the suit.

Apple won the first round in a patent fight with Elan Microelectronics over touchpad technology, the ITC said on April 29.

Just days after a judge ruled provisionally against a claim before the US International Trade Commission that Apple's handsets, including the iPhone, had violated five of its patents, Nokia shot back with a further case over another five.

Rambus has renewed its patent license agreement with Toshiba. This five year agreement covers Toshiba's products with DRAM memory controllers for SDR, DDR, DDR2, DDR3, and other DRAM devices. Rambus will receive royalty payments based on the shipment of these memory controllers.

Samsung Electronics won a US trade ruling in its efforts to block imports of flash-memory chips made by Spansion. Shares of Spansion fell after the close of regular-hours trading.

Analog Devices (ADI) has announced the US ITC ruled decisively in favor of the company in its lawsuit against Knowles Electronics.

This agreement covers the use of Rambus patented innovations in a broad range of logic IC products offered by Renesas Electronics.

The six-member commission has said it will not review an October finding by ITC judge Charles Bullock that Samsung didn't violate Spansion patent rights, according to a posting on the Washington-based agency's website.

Shares of Tessera Technologies, which owns and makes money licensing numerous patents for combing computer chips together, are up 7% at US$22.09 after an appeals court ruled in favor of the company in its suit against Qualcomm, Spansion and STMicroelectronics.

Under the agreement, IBM receives a five-year license to certain of Misaud patents. IBM's processor and ASIC products that contain embedded DRAM are licensed under the agreement.

Nokia sued Apple on Thursday in Britain, Germany and the Netherlands, alleging that the U.S. technology company used 13 of its patents, including a basic touch-screen maneuver, without its permission.

None of the companies involved in the bidding have publicly disclosed their participation. But those patents are likely what Apple is most interested in, since it's rumored that a "Verizon iPhone" will come with LTE support.

Intellectual Ventures has filed patent lawsuits against nine tech companies. The first lawsuit targets software security vendors Symantec, McAfee, Trend Micro and Check Point. The second lawsuit targets DRAM and flash memory vendors Hynix and Elpida. The third names FPGA vendors Altera, Lattice and Microsemi, which recently acquired Actel and its FPGA business.

Nokia and HTC said they persuaded a court to void parts of a mobile phone patent that IP holding company IPCom GmbH claimed the two device makers infringed.

Jobs is recruiting lawyers who have fought for and against some of the world's largest companies, including Microsoft, Intel and Broadcom. Broadcom won a patent dispute with Qualcomm last year that ended with Qualcomm paying $891 million in cash over four years.

With this arrangement, Samsung Electronics gains access to Intellectual Ventures' patent portfolio, which includes IP in a variety of segments "critical" to Samsung's business operations.

Apple, HTC and RIM was sued by patent holder St. Clair Intellectual Property Consultants for alleged infringement of six U.S. patents for computer-function management.

The company's US subsidiaries, Qimonda North America and Qimonda Richmond, have acknowledged the parent's ownership of over 800 patents and patent applications and abandoned claims of over US$2.1 billion against Qimonda. "We will now put all our efforts into continuing to exploit the patent portfolio by licensing and selling individual packages," said Qimonda insolvency administrator Michael Jaffe.

Rambus saw its results improve in the third quarter of 2010 thanks to a licensing deal signed earlier this year with former legal opponent Samsung Electronics. It is negotiating to renew deals with Toshiba and Renesas Electronics after their patent licenses expired.

Micron Technology has disclosed in an SEC filing that Samsung has agreed to pay the company US$275 million under a new 10-year patent cross-licensing agreement.