patent cancellation

Opposition to and Revocation of a German Patent

Opposition proceedings in case of  a German Patent Any person may give notice of opposition within nine months of the publication of the grant of a patent in the Patent Gazette (Patentblatt). If no opposition is filed, the patent becomes legally valid upon expiry of the opposition period. The patent will then become valid retroactively [...]

What are the differences between a German utility model and a German patent?

Technical inventions can be protected by both patents and utility models. Please note that technical, chemical and biological processes can be patented but not protected as utility models. Furthermore, the term of protection of utility models is different to that of patents. Utility model protection is initially available for three years. It may be extended [...]

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