USPTO Systems Status and Availability
Thursday Nov 15, 2012

PRPS and AOTW Maintenance

PRPS Maintenance

USPTO will be deploying an upgrade to Patent Review Process System (PRPS)  12:01-5:30 a.m. Saturday, November 17.

PRPS will not be available during the upgrade period.

AOTW Maintenance

USPTO will be performing system  maintenance on Assignments On The Web (AOTW) 12:01-5 a.m. Sunday, November 18.

During this maintenance, AOTW (http://assignments.uspto.gov/assignments/) and the assignment data in Trademark Status and Document Retrieval (TSDR) will not be available.

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