January 6, 2004 |
Pfizer Inc. may have to defend a patent for its Celebrex painkiller after a challenge by a generic-medicine maker. An unidentified company is challenging a patent on versions of Celebrex through a Food and Drug Administration application, the agency said. Celebrex, the world's top-selling arthritis drug, had sales of $701 million in the third quarter. Shares of New York-based Pfizer rose 95 cents to $36.50 on the NYSE.
February 11, 2005 |
Pfizer Inc. and Microsoft Corp. are teaming up to fight the slew of spam e-mails hawking Viagra that invade consumers' computers. The companies said they had filed a total of 17 lawsuits against defendants involved in the sale and distribution of the erectile dysfunction drug. The Redmond, Wash., software giant has targeted spammers before, but this is the first time the company has joined forces with a non-technology firm.
December 3, 2006 |
Pfizer Inc. said it had cut off all clinical trials and development for a cholesterol drug because of an unexpected number of deaths and cardiovascular problems in patients who used it. The drug maker said an independent board monitoring a study for torcetrapib, a drug that raises good cholesterol, recommended that the work end. Pfizer is asking clinical investigators conducting trials to warn patients to stop taking the drug.
September 2, 2006 |
A federal judge upheld the validity of Pfizer Inc.'s U.S. patent covering the active ingredient in Norvasc, the world's top-selling blood-pressure medication. The ruling in Durham, N.C., blocks Dutch generic drug maker Synthon from selling a cheaper copy of Norvasc until at least September 2007, when the patent expires.
October 6, 2006 |
Pfizer Inc. must defend a lawsuit in which people claim its diabetes drug Rezulin damaged their livers. A federal appeals court in New York reinstated a case dismissed last year in a lower court. The appeals court said New York-based Pfizer wasn't shielded from the suit by state law in Michigan, as the lower-court judge had found. Plaintiffs in the case live in Michigan. Pfizer did not immediately comment.
December 29, 2006 |
Pfizer Inc. won a trademark case blocking drug makers in China from copying its Viagra erectile dysfunction pills' blue diamond shape. A Beijing court ordered the three companies to pay a $38,000 fine to Pfizer, stop producing the blue, diamond-shaped pills -- which didn't contain the active ingredient in Viagra -- and print an apology in a Chinese legal newspaper, Pfizer said.
August 18, 2007 |
Pfizer Inc. has lost a preliminary bid to gain reissuance of one of the U.S. patents protecting its Lipitor cholesterol medicine. Should the ruling stand, Pfizer would face U.S. generic competition to Lipitor, the world's top-selling drug, in March 2010 rather than in June 2011. Pfizer's sales for Lipitor were $12.9 billion last year, including $7.8 billion in the U.S.
September 9, 2006 |
Pfizer Inc. won dismissal of a "whistle-blower" lawsuit by a former executive who accused the company of promoting unauthorized uses for Genotropin, a growth hormone. U.S. District Judge Joseph Tauro in Boston dismissed the suit by Peter Rost, who was a vice president of marketing at Pfizer until he was fired in December 2005. Rost said he planned to appeal.