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From WSJ 2/26/2013...
AbbVie is suing the U.S. Patent and Trademark Office to extend protections for a salt-and-alcohol solution used in Humira, a potential bulwark after its main patent lapses.
"It's going to be a difficult market for new competitors to enter," said AbbVie Chief Executive Richard Gonzalez. Because of the complexities of making biologic drugs, companies can also gain patents on manufacturing procedures and formulations—for instance, to extend shelf-life—that are unusual in the world of conventional drugs. Mr. Gonzalez pledged AbbVie would defend about 200 such patents for Humira.
AbbVie is suing the U.S. Patent and Trademark Office to extend protections for a salt-and-alcohol solution used in Humira, a potential bulwark after its main patent lapses.
"It's going to be a difficult market for new competitors to enter," said AbbVie Chief Executive Richard Gonzalez. Because of the complexities of making biologic drugs, companies can also gain patents on manufacturing procedures and formulations—for instance, to extend shelf-life—that are unusual in the world of conventional drugs. Mr. Gonzalez pledged AbbVie would defend about 200 such patents for Humira.