The USPTO will perform maintenance on the Assignments Historical Database (AHD) and the Assignments on the Web (AOTW) beginning at 11 p.m., Friday, August 14 and ending at 5 a.m., August 15 ET.
The following systems will be unavailable during the maintenance period.
- Assignments Historical Database (http://ahd.uspto.gov/ahdpub/index.jsp)
- Legacy Patent Assignment Search (http://legacy-assignments.uspto.gov/assignments/?db=pat)
- Legacy Trademark Assignment (http://legacy-assignments.uspto.gov/assignments/?db=tm)
Additionally, Patent Assignment Search (https://assignment.uspto.gov/) will be available but not able to access PDF during the maintenance period.
Posted at 11:01AM Aug 13, 2020 in Planned Events |