Express Pharma

India rejects Pfizer’s patent application for arthritis drug


Quoting a Supreme Court judgement, the order said that the applicant would have to establish the therapeutic enhanced efficacy of the claimed compound over the base compound

India’s patent office has again rejected US drug major Pfizer’s new patent application for its rheumatoid arthritis medicine, tofacitinib, citing it did not enhance the efficacy of the existing approved drug, according to a report in PTI.

“After having considered the submissions by the applicant in the hearing, the written submission and amended claims filed… it is hereby ordered that the invention disclosed and claimed in the instant application… is not considered as an invention under the provisions of the Act,” Assistant Controller of Patents and Designs Bharat N S said in an order.

The Intellectual Property Appellate Board (IPAB) in October last year set aside an order by the patent office which rejected Pfizer’s patent for a new formula of the drug and directed it to re-consider the application. “I do not admit that the claimed compound has enhanced efficacy over the base compound…and hence not patentable under Section 3(d) of Patent