The needed documents:
1. Request form sealed by both parties;
2. POA sealed by the assignee;
3. Copy of the assignee's business certificate;
4. Relevant documentary evidences;
5. Official fee: 1000 Yuan.
Time frame:
1. It will take 15 days to get the approval of trademark assignment;
2. It will take six to eight months to get the assignment certificate, which shall be used with the trademark registration certificate.