Frequently Asked Questions

27 2026-10

How should evidence be secured in patent infringement cases?

For proving patent infringement, it is necessary to fix the physical products of the products being sued, as well as the evidence of sales and profits. It is preferable to notarize the purchase and preserve the web pages. According to Article 71 of the Patent Law, the compensation shall be the amount of the infringement profits or the multiple of the license fees.

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27 2026-10

Can I apply for a pre-litigation injunction to stop patent infringement in a patent infringement lawsuit?

Before filing a lawsuit for patent infringement, one can apply for a preliminary injunction to stop the infringement (preservation of rights). According to Article 72 of the Patent Law and the Civil Procedure Law, one must provide a guarantee and prove the urgency and likelihood of winning the lawsuit. Anyone who files an incorrect application shall be liable for compensation.

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27 2026-10

When leaving a job, is it an infringement to take away technical documents?

Taking away technical information upon resignation may constitute an infringement of trade secrets or a breach of contract. According to Article 9 of the Anti-Unfair Competition Law and the Labor Contract Law, the right holder may demand that the infringement be stopped and claim compensation; if the case involves trade secrets and the circumstances are serious, it may even constitute a criminal o...

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27 2026-10

Can I sue the unit if it doesn't give an award to the inventor?

If the unit fails to award the inventor with a reward, the inventor can seek legal protection in accordance with the law. According to Article 15 of the Patent Law, the unit has the obligation to provide the inventor with a reward and compensation for their work-related inventions. The inventor can file a complaint, seek mediation, or initiate arbitration or litigation, the key point being to prov...

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27 2026-10

How long will it take for a patent to lapse if I forget to pay the annual fee?

There is a six-month grace period for late payment of annual patent fees, during which the fees can be paid retroactively. If the fees are not paid after the grace period expires, the patent rights will be terminated. If the patent rights are terminated due to exceeding the deadline, it is possible to request to restore the rights on the basis of legitimate reasons.

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27 2026-10

How to claim national priority in a patent application?

When claiming national priority in a patent application, the applicant must file a similar application on the same subject matter within twelve months from the date of the first application, submit a written statement and provide a copy of the original application. In this case, the original application will be deemed to be withdrawn.

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27 2026-10

When should a request for a patent split be submitted?

The application for patent division should be submitted before the patent is granted. According to the unity requirement of the Patent Law, if there is a lack of unity, the patent can be divided and the original filing date can be retained, but it must not exceed the scope described in the original application.

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26 2026-10

When responding to the review comments, can we expand the scope of protection?

When responding to the review comments, the amendments made should not exceed the scope described in the original specification and claims; amendments made to overcome deficiencies are usually limited to clarification and should not expand the scope of protection. The content supported by the original records can be adjusted to a reasonable extent.

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26 2026-10

What is the deadline for replying to the notice of review comments?

The response period for the notice of review opinion is generally four months from the date of receipt, and the respondent may request an extension in accordance with the regulations. If the respondent fails to respond within the time limit without a valid reason, the application will be deemed as withdrawn.

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