Public PAIR Verification System

The USPTO has implemented a new verification system for users accessing Public PAIR (Patent Application Information Retrieval). Users must now enter a two-word verification code in order to access the system. The system is meant to block bots and spiders. Launched in mid-2003, Public PAIR contains bibliographic data, legal status and prosecution history information and facsimilie images of file wrapper documents for published applications and issued patents.

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