• The U.S. Supreme Court ruled that a class-action lawsuit against Philip Morris USA, a unit of Altria Group, should not be decided in federal court, handing a defeat to the tobacco company.

  • U.S. shareholder lawyers are pouncing on private equity buyouts of public companies, bringing a string of lawsuits claiming the deals are unfair to investors and sometimes only serve to enrich top executives.

  • A federal appeals court grapples Wednesday with a billion-dollar legal question: Are insurance companies obligated to cover water damage from the failure of levees in New Orleans following Hurricane Katrina?

  • Qwest's company headquarters in Denver, Colorado.

    Qwest's claim in television, online, and newspaper advertisements that its Internet service is as fast or faster than Comcast Corp. is being challenged in court by the cable and broadband provider.

  • Is Wal-Mart a Good Employer or Exploiting Workers? Friday, 1 Jun 2007 | 2:50 PM ET

    Judith Spanier, a plaintiff’s attorney and partner at Abbey, Spanier, Rodd & Abrams, told CNBC’s “Power Lunch” that Wal-Mart’s workers “have no voice except for litigation.” But Aliza Herzberg, a partner at Olshan, Grudman, Frome, said prospective workers routinely flood Wal-Mart with job applications when a new store opens, including 25,000 people who applied for 400 jobs in Evergreen, Ill.

  • A female staff attorney at General Electric sued her employer, claiming that it underpays and underpromotes its women employees.

  • New Jersey's Supreme Court certified a class-action lawsuit against Wal-Mart Stores by New Jersey employees who claim that the nation's largest retailer denied them meal and rest breaks, and forced them to work off-the-clock.

  • Ernst, Deutsche May Face Fines in Tax Shelter Case: WSJ Thursday, 31 May 2007 | 8:15 AM ET

    Ernst & Young and Deutsche Bank could face monetary sanctions rather than criminal charges in a U.S. tax shelter probe, The Wall Street Journal reported on Thursday, citing unnamed sources.

  • Federal Judge Orders Third Trial in Case Against Merck Thursday, 31 May 2007 | 3:52 AM ET

    A federal judge has ordered a third trial in a lawsuit by a woman who blamed Merck's painkiller Vioxx for the heart attack that killed her husband.

  • A fired Wal-Mart Stores marketing executive has accused the retailer's chief executive of violating its ethics policy by accepting discounts on yachts, diamonds and personal gifts from vendors and others eager to work with the company.

  • Best Buy Accused of Overcharging In-Store Shoppers Thursday, 24 May 2007 | 1:32 PM ET

    Connecticut's attorney general announced a lawsuit against Best Buy, accusing the nation's largest consumer electronics retailer of deceiving customers with in-store computer kiosks and overcharging them.

  • Investors in Defunct Hedge Fund Sue UBS: WSJ Wednesday, 23 May 2007 | 1:15 AM ET

    Investors in Wood River Partners have sued UBS, alleging the defunct hedge fund's prime broker fraudulently earned more than $100 million by misusing knowledge of its trades, the Wall Street Journal reported on its Web site on Wednesday.

  • Dell Sued in New York Over Consumer Complaints Wednesday, 16 May 2007 | 11:36 AM ET

    New York State Attorney General Andrew Cuomo has sued Dell over consumer complaints against the computer maker, contending that the company engaged in deceptive financing practices.

  • Dow Chemical, Ex-CFO Take Each Other to Court Tuesday, 8 May 2007 | 5:55 PM ET

    Federal lawsuits were filed from both sides following Dow Chemical's decision last month to fire two top-ranking officials whom it accused of trying to secretly negotiate a leveraged buyout of the company.

  • HP May be Sued by Reporters in Probe, Lawyers Say Tuesday, 8 May 2007 | 12:27 AM ET

    Several journalists targeted by Hewlett-Packard in the company's hunt for the source of boardroom leaks are seeking damages for alleged invasion of privacy, their lawyers said onMonday.

  • Plaintiffs including England's Premier League sued Google's online-video sharing site YouTube on Friday for copyright infringement, marking the second big legal challenge to YouTube.

  • Oracle Asks Court to Make SAP Preserve Documents Tuesday, 1 May 2007 | 3:27 AM ET

    Business software maker Oracle on Monday asked a U.S. court to make SAP preserve evidence on its computers, saying it was concerned its German rival might destroy electronic information at the heart of a corporate theft lawsuit.

  • The Supreme Court sided with Microsoft in a case that restricts the reach of U.S. patents overseas. The decision could impact other lawsuits against Microsoft and save the company billions because of the global scope of its operations.

  • Vonage Wins Court Stay in Verizon Patent Battle Tuesday, 24 Apr 2007 | 7:14 PM ET

    Internet phone company Vonage Holdings said a federal appeals court issued a permanent stay of a previous court's injunction that would have barred it from signing up new customers.

  • Banks have been saddled with costs to replace cards and cover fraudulent charges tied to the theft from TJX, the owner of nearly 2,500 discount stores including T.J. Maxx and Marshalls.