Overseas intellectual property

Guangdong Zhiming Law Firm provides professional legal services for you.

Chain-of-title issues in U.S. patent assignments and licenses: Which core documents should a transferee most need to review in 2026, and what is the most easily overlooked link in due diligence?

Conclusion first: When verifying a U.S. patent assignment…

Being complained of trademark infringement: should you appeal or file a counterclaim? Lawyer Shen Jinlong discusses the order of choices for Shenzhen sellers, and who holds the initiative is crucial.

Conclusion first: when accused of trademark infringement…

During the 30-day opposition period for a US trademark publication, Attorney Shen Jinlong discusses response strategies and timing arrangements, and how long evidence preparation takes to still make it in time.

If your US trademark is opposed during the publication…

The rule differences among Amazon's three types of intellectual property complaints in 2026, and the most common pitfalls when appealing—if you miss the appeal deadline, your listing won't be reinstated.

Amazon's three types of complaints have completely different…

After a European patent is granted, if it is opposed, how exactly should one respond to the 9-month opposition period and the Boards of Appeal proceedings? Do not misremember the 2026 deadlines for opposition and appeal.

A European patent being opposed does not mean the patent is…

Official fees and agency fees for U.S. trademark registration: In 2026, Attorney Shen Jinlong discusses the reasonable range, and which fees are mandatory official charges.

Direct answer: There are only two official fees for U.S…

What exactly does the USPTO look at when examining a U.S. trademark? Registration process, choice of use basis, and responding to refusals, don't miss response deadlines, and whether the evidence of use can withstand scrutiny.

When the USPTO examines a U.S. trademark, it focuses on two…
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