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

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

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

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

Great investments are even better and more fruitful when you can buy them at a discount. Lots of investors enjoy keeping an ...

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

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

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 ...

Merck’s Keytruda holds on to the top spot while AbbVie’s Humira—once the world’s top-selling drug—continues to cede its ...

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

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