Top 10 Large Law Firms for Patent Quality 2021

The 2021 edition of our Patent Quality Rankings is now live!

At Patent Bots, we used our advanced machine learning software to proofread an entire year of issued patents. We then ranked 787 US law firms by the smallest average number of errors in the issued patents.

Here, we announce the top 10 US law firms for patent quality with at least 500 issued patents in the last year. Congratulations to these firms for doing amazing work!

(1) Alleman Hall Creasman & Tuttle LLP
(2) Harrity & Harrity, LLP
(3) Guntin & Gust, PLC
(4) Posz Law Group, PLC
(6) McDermott Will & Emery LLP
(7) Holland & Hart LLP
(8) Hanley, Flight & Zimmerman, LLC
(9) Keating & Bennett, LLP
(10) Studebaker Brackett PC

Next week, we will be announcing the overall top 50 US law firms to be followed by the top firms in different tech centers and the top companies.