Traders said they had heard that ZTE had lost a patent lawsuit with Ericsson and had to pay a penalty of EUR500 million (US$640.83 million), although a ZTE executive told Reuters that the outcome of the lawsuit was not out yet.

The cost of patent lawsuits and a more competitive market weighed down Motorola Mobility's fourth quarter financial results, the company reported when releasing preliminary numbers.

Rambus has announced the jury in its anti-trust case against Hynix Semiconductor and Micron Technology has found in favor of the defendants.

A lawsuit alleges the the Microsoft Windows Phone 7 operating system tracks users' location without permission.

German high-tech lighting manufacturer Osram gmbh and its subsidiary, Osram Opto Semiconductors, filed multiple lawsuits in South Korea against companies controlled by LG Electronics Inc. and Samsung LED Co. Ltd., claiming that the companies are infringing core Osram patents.

The US trade agency has agreed to review a complaint by Freescale against Funai Electric, Funai, Mediatek and Zoran.

Judge E. James Gildea found that Apple infringes US Patent No. 6,658,146 directed to systems and methods for compressing images and US Patent No. 6,683,978 directed to image data formats, both of which belong to S3 Graphics. In the industry, that technology is known as S3 Texture Compression (S3TC).

"Common sense suggests that allegations of copying are necessarily directed at Apple's existing products, to which Samsung has access and could potentially mimic," said US District Court Judge Lucy Koh, "and not at Apple's unreleased, inaccessible, next-generation products."

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.

Samsung's request "is not a good faith attempt to obtain information needed to defend against a preliminary injunction", the documents say. "Rather, it is a transparent and improper attempt to harass Apple by demanding extremely sensitive trade secrets that have no relevance to Apple's infringement claims or to Samsung's defenses to a preliminary injunction."

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.

Robert Tsao, honorary chairman of United Microelectronics Corp. (UMC), said recently in a TV interview that he has given up his Taiwan citizenship. Disappointment in the domestic judicial system is the major reason why Tsao decided to become a Singaporean.

A trial over Rambus' antitrust lawsuit against Micron Technology and Hynix Semiconductor claiming US$4.3 billion in alleged damages was scheduled for June 7.

Hynix Semiconductor, Micron Technology and Nanya Technology have asked a federal judge in California to delay a patent-infringement trial scheduled for May 2 over claims brought by Rambus.

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.

AUO CEO LJ Chen will be allowed to travel outside the US for the first time since criminal price-fixing charges restricted his movements. While in Taiwan Chen will not be allowed to meet with any of his co-defendants, some of whom may be there at the same time.

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

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.

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.

Infineon Technologies was sued by the insolvency administrator of Qimonda who filed an action in a Munich court seeking a liability judgment for an unspecified amount.

Federal authorities, capping a three-year investigation, are preparing insider-trading charges that could ensnare consultants, investment bankers, hedge-fund and mutual-fund traders, and analysts across the nation, according to people familiar with the matter.

One iPhone owner filed a lawsuit against Apple claiming the company deliberately released a software upgrade that would turn earlier models of the iPhone into "virtually useless iBricks."

Gemalto said in a statement it filed the lawsuit in the U.S. District Court for the Eastern District of Texas for alleged infringement of its patented technologies in the open-source Android system and Dalvik operating environment.

Oracle has sued Micron Technology, alleging it overcharged Sun Microsystems, which Oracle acquired, by conspiring to fix prices for computer memory chips.

LDK Solar said it has filed a lawsuit against solar module maker Canadian Solar demanding compensation from contract termination.

An Apple supply manager has been accused of giving confidential information to Asian suppliers in exchange for kickbacks during a three-year scheme detailed in court filings made available over the weekend.

NTP has filed a lawsuit against six of the world's leading cell phone makers, accusing them of infringing on its patents for delivering e-mail to handsets.