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

The company has asked the U.S. patent office to reconsider patents that could prevent it from selling an update to Keytruda.

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

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

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

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 ...

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

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

According to Halozyme, the new version of Keytruda infringes on its patents, the report said. USAID cuts put tuberculosis response in peril, WHO says The Trump administration's decision to pause U.S.

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