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• Research In Motion, Motorola Duel in Lawsuits Tuesday, 19 Feb 2008 | 4:09 AM ET

  BlackBerry-maker Research In Motion and rival Motorola have sued each other over what they say are patent infringements for technology used in their mobile phones.

• UnitedHealth, Insurer Shares Drop on N.Y. Lawsuit Wednesday, 13 Feb 2008 | 1:06 PM ET

  

  The New York Attorney General's Office said it plans to file suit against Ingenix, its parent UnitedHealth Group, and three additional subsidiaries, as part of an investigation into a "scheme by health insurers to defraud consumers by manipulating reimbursement rates."

• Class Action Attorney Gets Two Years in Jail Monday, 11 Feb 2008 | 3:38 PM ET

  William Lerach, a former partner at a well-known New York law firm, was sentenced to two years in federal prison for his role in a lucrative kickback scheme involving class-action lawsuits against some of the nation's biggest corporations.

• Chavez Says May Halt Oil Supplies Over Exxon Fight Sunday, 10 Feb 2008 | 4:19 PM ET

  

  President Hugo Chavez Sundaywarned he would halt oil supplies to the United States if it continued to attack Venezuela as he said it had done with an Exxon Mobil lawsuit freezing assets of the OPEC nation.

• Tobias' Wife Unlikely to Face Murder Charges Sunday, 10 Feb 2008 | 2:30 PM ET

  Filomena Tobias, wife of the late hedge fund manager Seth Tobias, is unlikely to face any charges in the death of her husband, according to a report in the Palm Beach Post that quoted a spokesman for the Palm Beach County State Attorney.

• Venezuela Decries 'Judicial Terrorism' From Exxon Friday, 8 Feb 2008 | 3:48 PM ET

  

  Venezuela's top oil official accused Exxon Mobil of "judicial terrorism," but said court orders won by the oil major do not amount to confiscation of $12 billion in assets.

• Courts Freeze $36 Billion in Venezuela Oil Assets Thursday, 7 Feb 2008 | 3:41 PM ET

  

  Exxon Mobil has moved to freeze up to $36 billion in Venezuelan assets around the world as the U.S. company fights for payment in return for the state's takeover of a huge oil project last year.

• U.S. Probes Stock Sales By SocGen Board Member Monday, 4 Feb 2008 | 2:13 PM ET

  

  The U.S.  is looking into stock sales by a member of French bank Societe Generale's board shortly before the bank announced billions of dollars in losses by a single trader.

• Bush Pushes Congress on Stimulus Package Friday, 25 Jan 2008 | 5:19 PM ET

  

  President Bush urged Congress on Friday to quickly pass an economic stimulus package void of extraneous spending, saying only quick action will kickstart the sputtering economy. "I strongly believe it would be a mistake to delay or derail this bill," Bush said.

• Brocade Ex-CEO Gets 21 Months in Backdating Case Wednesday, 16 Jan 2008 | 2:05 PM ET

  The former chief executive of Brocade Communications Systems was sentenced to 21 months in prison for orchestrating a scheme to tamper with the company's records of stock option grants.

• Supreme Court Limits Lawsuits by Shareholders Wednesday, 16 Jan 2008 | 4:42 AM ET

  Ruling in its most important securities fraud case in years, the Supreme Court on Tuesday placed a towering obstacle in the path of shareholders looking for someone to sue when a stock purchase turns sour.

• Supreme Court Upholds Limits on Investor Lawsuits Tuesday, 15 Jan 2008 | 2:41 PM ET

  The Supreme Court upheld a ruling that investors cannot sue third parties such as banks and accounts in cases of securities fraud.

• New York Launches Intel Antitrust Probe Thursday, 10 Jan 2008 | 1:32 PM ET

  The office of New York Attorney General Andrew Cuomo on Thursday said it launched a formal investigation into Intel to determine whether the world's biggest chipmaker violated state and U.S. antitrust laws to squeeze out its rival, Applied Micro Devices.

• Murder Accusation Made in Tobias Estate Case Monday, 7 Jan 2008 | 9:46 AM ET

  Attorneys for the brothers of hedge fund manager Seth Tobias say his wife killed him because "Seth was worth substantially more to (her) dead than he was alive, and she knew that."

• Buffett Won't Have to Turn Over Documents, Judge Says Wednesday, 2 Jan 2008 | 2:23 PM ET

  A federal judge overseeing the trial of four former executives at the General Re unit of Berkshire Hathaway said the reinsurer need not turn over some documents involving Berkshire Chairman Warren Buffett.

• Vonage, Nortel Settle Patent Disputes Monday, 31 Dec 2007 | 10:45 AM ET

  

  Internet phone company Vonage Holdings and Canadian telecommunications equipment maker Nortel Networks have settled their patent disputes, the companies said Monday.

• Wyeth Sues Teva over Heartburn Drug Patent Monday, 24 Dec 2007 | 7:36 AM ET

  Wyeth said Monday it will sue Teva Pharmaceuticals USA for alleged patent infringement and said it received an approvable letter from U.S regulators for bazedoxifene, a drug that helps prevent post-menopausal osteoporosis.

• Lawyers Get Big Payday in Tyco Case Thursday, 20 Dec 2007 | 12:35 PM ET

  Lawyers who won a class action suit against Tyco International and PricewaterhouseCoopers will be awarded 14.5 percent of the $3.2 billion settlement, plus nearly $29 million in expenses, a judge has ordered.

• Temasek Appeals Indonesia Antitrust Ruling Tuesday, 18 Dec 2007 | 10:03 PM ET

  Temasek Holdings filed an appeal against an order to divest its stake in one of Indonesia's two largest mobile phone operators, the Straits Times reported on Wednesday.

• Tobias Aide to Testify in Fund Manager's Estate Case Monday, 17 Dec 2007 | 11:41 PM ET

  A former assistant to Seth Tobias has agreed to testify in the court battle over the late hedge fund manager's estate.