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Roche loses patent opposition in India

Peter Ollier, Hong Kong

In another blow to multinational pharmaceutical companies in India, the Chennai Patent Office has invalidated a key patent owned by Swiss drug maker F Hoffmann La Roche, allowing generic competitors to enter the market

In the May 5 decision, S P Subramanian, the assistant controller of patents and designs, said that the patent covering Valcyte (valganciclovir hydrochloride) lacks inventive step and does not demonstrate significantly improved efficacy over previous compounds, as required by India's...

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