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

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

Piper Sandler analyst Joseph Catanzaro maintained a Hold rating on Halozyme (HALO – Research Report) today and set a price target of $53.00.

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

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

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

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 ...

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

"We are currently engaging with market participants," a spokesperson for South Africa's Competition Commission told Reuters, declining to provide details. USAID cuts put tuberculosis response in peril ...