- The sender name and email address.
- The document type and reference shown.
- The China service concerned.
- The exact detail you want Zhiquan to confirm.
Zhiquan IP credentials
Check Zhiquan’s CNIPA patent agency registration
Zhiquan IP is the English brand of 深圳市智圈知识产权代理事务所（普通合伙）, a CNIPA-registered patent agency established in 2015. Use agency code 44351 to check the relevant public information.
If you are checking an invoice or instruction, include the document reference and the detail you want us to confirm.
Institutional credential CNIPA agency code 44351
How to verify Zhiquan
Use code 44351, then compare the registered name and contact details
The public record confirms the registered patent agency. Your quote, invoice or service document should use matching identity and contact information.
- 01
Search the agency code
Use patent agency code 44351 in the relevant CNIPA public information and check the registered agency name.
- 02
Confirm the institution
The registered Chinese name is 深圳市智圈知识产权代理事务所（普通合伙）, established in 2015.
- 03
Check the name and contact details
Compare the agency name and published contact details with the quote, invoice or service document you received.
- 04
Ask us about any difference
If a name, account or instruction differs, contact Zhiquan directly and keep the written clarification with your file.
Questions about an instruction
What to include when asking us to confirm a document
Include the document reference, the service concerned and the exact detail you want us to check.
- Unredacted evidence, identity documents or technical materials.
- Bank credentials, passwords or authentication codes.
- Payment made solely because a message appears urgent.
What the credential means
What the registration confirms—and what it does not
The public record confirms the agency’s registered identity. It does not show the fee, work or responsibility agreed for a particular matter.
- Institutional identityThe Chinese legal name and code can be used together to identify the registered patent agency.
- Patent-agency statusThe registration concerns Zhiquan’s role as a patent agency; Zhiquan is not described as a law firm.
- Specific service scopeThe agreed work, fees and responsible party appear in the applicable engagement documents.
- Direct confirmationQuestions about an invoice, account or instruction should be confirmed through the published Zhiquan contact details.
Direct verification
Something does not match? Ask us to confirm it
Email the exact point you want checked. We will respond using the published Zhiquan contact information.