Merck's injected version of its blockbuster cancer drug Keytruda could face a potential patent challenge from biotech ...

Despite a proven survival benefit, the addition of pembrolizumab (Keytruda) to chemoradiotherapy for newly diagnosed locally ...

Both Merck & Co. and Halozyme are holding their ground in a freshly unveiled patent dispute surrounding the New Jersey pharma ...

The new formulation of Keytruda, currently under FDA review, is sparking conflict with Halozyme, which makes enzymes that ...

Merck (MRK) stock trended lower as Halozyme (HALO) challenges the company over injectable Keytruda patents. Read more here.

Merck's newly developed injected version of its blockbuster cancer drug, Keytruda, may be at the center of a potential patent ...

Striking study results last year indicated a new type of medicine may improve on Merck’s immunotherapy, spurring a wave of ...

More than a decade after Merck’s Keytruda and BMS’ Yervoy ushered in the immuno-oncology revolution, the space is at a ...

Merck (MRK) reported earnings 30 days ago. What's next for the stock? We take a look at earnings estimates for some clues.

Shares in pharmaceuticals giant Merck (MRK) weakened today on fears that a patent battle could jeopardize its plans to sell a ...

Halozyme Therapeutics claims Merck's new Keytruda version infringes on patents, requiring a licensing agreement, reports WSJ.

Merck (MRK) has been adjusting Keytruda to make it easier to use and to protect the company for after the U.S. patent protection runs out in ...