Can mistakes in a patent incurred by the applicant be corrected, and under what conditions?
Formal and clerical mistakes not caused by the Office may be corrected upon request and payment of a fee.
In what ways may a patentee request changes in an issued patent, and what are the limits?
Patentees may limit or correct patents, but cannot add new disclosure and face limits on broadening.
How are amendments or corrections to a patent formally implemented and publicized?
Amendments are implemented by certificate attached to the patent and published in the IPO Gazette.
How are amendments or corrections to a patent formally implemented and publicized? Read More »
On what grounds may any interested person seek cancellation of a patent or its claims?
Patents may be cancelled for lack of novelty, insufficient disclosure, or being contrary to public order or morality.
On what grounds may any interested person seek cancellation of a patent or its claims? Read More »
What formal requirements must a petition for cancellation of a patent satisfy?
Cancellation petitions must be written, verified, specify grounds and facts, and attach supporting documents with translations.
What formal requirements must a petition for cancellation of a patent satisfy? Read More »
How are patentees and other interested parties notified of a petition for cancellation and hearing?
In cancellation cases, the IPO notifies patentees and recorded right?holders and publishes notice of filing.
How are highly technical patent cancellation cases heard within the IPO?
Highly technical cancellation cases may be heard by a three?member committee with technical expertise.
How are highly technical patent cancellation cases heard within the IPO? Read More »
What is the effect of cancellation of a patent or specific claims on the rights of the patentee?
Cancellation terminates rights in the affected patent or claims, with the decision generally immediately executory and published.
Are patent applications confidential before publication?
Before publication, patent applications and related documents remain confidential absent the applicants consent.
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What provisional rights does an applicant gain after publication of a patent application?
After publication, applicants enjoy patentee?like rights against users with knowledge, enforceable once the patent is granted.
