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Pharmaceutical giant Pfizer has fired off a lawsuit against four drug companies for allegedly infringing one of its patents for biologic Enbrel by selling a biosimilar of the blockbuster arthritis drug in Australia.
A judge has found Pfizer's patent for its post-operative injectable painkiller Dynastat is valid and that Australian drug maker Juno Pharmaceuticals infringed the patent by selling generic versions of the drug in Australia.
Five years into a preliminary discovery application for a potential patent infringement lawsuit over a biosimilar of its Enbrel medication, Pfizer has partially succeeded in obtaining further documents from Samsung Bioepis.
Pharmaceutical giants Merck Sharpe & Dohme and Pfizer have resolved a long-running intellectual property dispute over a 2015 patent owned by Pfizer for a pneumococcal vaccine.
The Federal Court has delayed a 15-day hearing in a pneumococcal vaccine patent dispute between Merck Sharp & Dohme and Pfizer after the sudden death of a family member of one of Pfizer's expert witnesses.
Drug giant Merck Sharp & Dohme has brought a cross appeal in its long-running intellectual property dispute with Pfizer's Wyeth over the top selling Prevnar 13 pneumococcal vaccine.
Pfizer unit Wyeth is seeking to overturn part of a judge's decision in its high-stakes patent dispute with Merck Sharp & Dohme that found claims in two of its patents relating to the blockbuster Prevnar 13 pneumococcal vaccine were invalid.
A judge hearing Pfizer's application for preliminary discovery against Sandoz over its possible launch of an Enbrel biosimilar has found that such an application must be based on a current belief that the applicant could be entitled to relief.
A judge has enjoined Merck Sharpe and Dohme from launching its 15-valent pneumococcal conjugate vaccine after finding it would infringe claims of a Wyeth patent for its Prevnar 13 vaccine, despite MSD's argument that barring it from launching the vaccine would be contrary to the public interest.
Pharmaceutical rivals Merck Sharp & Dohme and Pfizer have both suffered a blow in their efforts to patent a better pneumococcal vaccine, with a judge upholding both infringement and invalidity claims in the long-running case over the blockbuster Prevnar 13 vaccine.