Viagra

News & Analysis as of

Lawsuits over Viagra Melanoma Risk Mounting

The Judicial Panel on Multidistrict Litigation heard arguments at a hearing on March 31, 2016, about the need for national coordination of Viagra claims. Pfizer, the manufacturer of Viagra, did not oppose this request by the...more

Viagra — Melanoma Lawsuits Mounting

The Judicial Panel on Multidistrict Litigation will hold a hearing to consider a request to establish coordinated national litigation against the manufacturers of Viagra. The Judicial Panel is a group of federal judges who...more

Canadian Court Nixes Class Action for Patent Abuse

The decision relates to an application to certify a proposed class action, commenced by a representative plaintiff, Britton Low, against various Pfizer companies, alleging that Pfizer unlawfully abused the patent system with...more

Federal Judge Remands Viagra Case to State Court

In February 2015, sixteen plaintiffs sued Pfizer, the maker of Viagra, alleging that their ingestion of Viagra between 1998 and 2013 caused them to develop melanoma. Plaintiffs asserted the following cause of actions: breach...more

Viagra Ad Campaign Targets Women Amid Melanoma Risk

Viagra is so popular that it is a frequent target of counterfeiters. Here, a U.S. Customs and Border Patrol agent displays seized goods. Viagra (sildenafil) has featured prominently in the news over the past few months...more

Viagra May Increase Melanoma Risk

According to a new study, the erectile dysfunction drug Viagra may have a side effect no one predicted – a link to an increased risk of melanoma. Viagra, also known as sildenafil citrate may allow the increase of...more

The Heart of The Patent Bargain: Viagra Patent Invalidated In Canada

In a recent unanimous decision by the Supreme Court of Canada (Teva Canada Limited v Pfizer Canada Inc.), Pfizer Canada’s patent to its multi-million dollar selling Viagra was invalidated for insufficient disclosure. The...more

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