Frequently Asked Questions - documentary evidence
You will be able to upload the signed declaration and the proof of use through the Clearinghouse User interface.
The name of the trademark holder must be entered as "submitting party" in the "declaration of use".
You have two choices: either use the Clearinghouse User Interface or use the Automated Interface (API)
At this time, documentary evidence can be submitted in JPEG or PDF format only, using the Clearinghouse User Interface or Automated Interface. The size of each document can be up to 10 MB. Documents should be human-readable.
All documents can be provided in PDF or JPG, with a maximum file size of 10 MB per document. The documents must be human-readable.