Tuesday, January 29, 2019 DrugName : serdexmethylphenidate chloride
KemPharm, Inc. a specialty pharmaceutical company engaged in the discovery and development of proprietary prodrugs, announced continued enhancements to its U.S. and global intellectual property estate governing its portfolio of prodrug product candidates. The United States Patent and Trademark Office (USPTO) issued seven (7) new patents to KemPharm during 2018 related to several of its compound families, including KP201, KP303, KP511, KP606 and KP746. In addition, KemPharm has augmented and strengthened the global patent estate for KP415 with the addition of issued patents last year in Canada, Japan and Korea.
“These newly-issued patents serve to further fortify our robust intellectual property estate which protects our portfolio of prodrug product candidates,” said Travis Mickle, Ph.D., President and Chief Executive Officer of KemPharm. “Our growing IP portfolio in the ADHD, CNS and pain treatment spaces extends into the early to mid-2030’s. We believe this protection period provides ample marketing time following the clinical development of our products, offering the potential for a sustained value proposition.”
In 2018, KemPharm was issued its first KP415-related patent in Canada (CA Patent 2837732), which provides composition of matter protection for methylphenidate prodrugs in the KP415 family, as well as additional patents in Japan and Korea, providing further composition of matter and method of use protection.
Altogether, KemPharm now has patent protection for the KP415 family in more than 50 countries worldwide, including the U.S. In the KP201 family, KemPharm was issued U.S. Patent No. 9,872,915 by the USPTO with method of use claims for a composition of benzoate-hydrocodone hydrochloride and acetaminophen. The patent adds to the intellectual property of benzhydrocodone, KemPharm’s prodrug of hydrocodone, as well as APADAZ, KemPharm’s FDA-approved immediate-release combination product containing benzhydrocodone and acetaminophen. In the KP303 family, KemPharm was issued 3 U.S. patents (US 10,010,615, 9,889,198 and 9,890,150) providing composition of matter protection for several quetiapine prodrugs, as well as formulation and dosage claims.
In the KP511 family, the USPTO issued U.S. Patent 10,064,956, which provides composition of matter protection and adds to the intellectual property related to KP511, KemPharm’s prodrug of hydromorphone. This patent also includes formulation and dosage form claims. In the KP606 family, KemPharm was recently issued U.S. Patent 10,144,740 which provides composition of matter protection for a specific prodrug of oxycodone. Additionally, the patent includes claims for methods of pain treatment, dosages, reduced side effects, and lower abuse potential.
Finally, in the KP746 family, the USPTO issued U.S. Patent 10,071,091, which provides composition of matter protection reinforcing the intellectual property related to KP746, KemPharm’s prodrug of oxymorphone. The patent also has claims for methods of treating pain, dosages, reduced side effects, and lower abuse potential.
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Country Asia-Pacific > Japan Asia-Pacific > South Korea North America > Canada North America > United States of America