Is there an opposition procedure for French patents?

The opposition procedure before the INPI, available from April 1, 2020, offers third parties a simpler and less costly alternative to legal action, which until now was the only procedure for contesting a patent.

It allows third parties to request the revocation of a French patent whose mention of delivery is published in the BOPI from this date.

On the same theme

Is there a provisional patent application procedure?

There has been a provisional patent application procedure with the INPI since July 1, 2020. Simpler and less expensive than a classic patent application, it allows companies to initiate it.

I filed a patent without waiting for the response to my employer's classification proposal, what are my rights?

Any employee invention must be notified by a declaration to the employer, who has a period of two months to agree to the classification provided for in the declaration (mission inventions, excluding assignable missions and non-attributable missions) .

Is it possible to exploit a patent following the closure of the company that owned it?

When the company closes, various events affecting the life of the patent can occur (transfer of the patent, legal liquidation of the company, etc.). They are usually registered in the national patent register.