German firm Boehringer Ingelheim’s patent for asthma drug revoked – Economic Times

German firm Boehringer Ingelheim's patent for asthma drug revoked
Economic Times
MUMBAI: India's Patent Office has revoked a patent on asthma drug, Spiriva (tiotropium bromide monohydrate) held by German major Boehringer Ingelheim on an opposition filed by generic company, Cipla. The patent was revoked on grounds that it lacks …

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