How strong is your patent?

Get an instant A–F grade for any patent — from how often it's been cited by later patents, how much protection term is left, and its legal status. Free, no signup.

Up to 8 patents. Works best on granted US & European patents.

Know your whole portfolio's strength.

A grade on one patent is a start. In the full tool you see strength, deadlines and competitor citations across your entire portfolio — kept current automatically.