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Tuesday, May 4, 2021

Top 50 Law Firms for Patent Quality 2021

At Patent Bots, we used our advanced machine learning software to proofread an entire year of issued patents and then ranked 802 law firms by the smallest average number of errors in the issued patents.

Congratulations to these firms for doing amazing work!  

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See our PatentVerse page to see how your firm does in comparison. Other than the top 50 firms, you can only see your own firm's ranking (we don't want to publicly identify firms doing lower quality work). Note that these rankings are based only on average errors in issued patents and don't address other important aspects of patent quality.

This is the final posting of our second annual release of patent quality rankings for law firms and companies. For purpose of computing quality scores, we used only numbering errors, antecedent basis errors, and word support errors (words that don't appear in the detailed description).

We rank the top 50 firms overall and also the top 10 in each USPTO tech center:


Top 50 Overall

RankLaw FirmNo. of Issued PatentsQuality Score
1Hartman & Citrin LLC10499.6
2Holland & Hart LLP/Qualcomm8099.1
3Strategic Patents, P.C.6898.1
4Alleman Hall Creasman & Tuttle LLP60397.7
5Lindauer Law, PLLC8696.4
6Harrity & Harrity, LLP57096.2
7Robinson Intellectual Property Law Office17896.1
8Guntin & Gust, PLC59095.9
9Konrad Raynes Davda & Victor LLP21195.8
10Shimokaji IP6095.3
11GTC Law Group PC & Affiliates9694.5
12Pramudji Law Group PLLC6393.8
13Pierce Atwood LLP14393.2
14Posz Law Group, PLC51393.2
15McGarry Bair PC31293.0
16The Small Patent Law Group LLC33892.4
17Gibb & Riley, LLC5792.3
18IP Spring5692.0
19Athorus, PLLC15891.6
20Rowand LLP6691.3
21Chip Law Group89191.0
22Darrow Mustafa PC16590.7
23McDermott Will & Emery LLP151590.6
24Farjami & Farjami LLP12290.4
25Holland & Hart LLP79090.4
26Kimberly-Clark Worldwide, Inc.5990.4
27MLO, a professional corp.6489.7
28Hanley, Flight & Zimmerman, LLC81289.5
29Mahamedi IP Law LLP7789.3
30Alliance IP, LLC13989.3
31Patent Capital Group29389.2
32Bejin Bieneman PLC36889.0
33Leveque IP Law, P.C.5889.0
34Keller Jolley Preece24088.7
35Keating & Bennett, LLP92088.6
36Campbell Stephenson LLP9088.4
37SBMC21288.3
38Newport IP, LLC21088.3
39IP Business Solutions, LLC8388.0
40Behmke Innovation Group LLC22987.4
41Yee & Associates, P.C.33587.3
42Parker Justiss, P.C.5987.1
43Walters & Wasylyna LLC7187.1
44Dascenzo Intellectual Property Law, P.C.6786.9
45Carrier Blackman & Associates, P.C.17886.9
46Studebaker & Brackett PC141786.8
47Compass IP Law PC21486.3
48WPAT, P.C., Intellectual Property Attorneys26786.3
49Edwards Neils LLC5985.3
50ScienBiziP, P.C.118385.0


Top 10 in Tech Center 1600

RankLaw FirmNo. of Issued PatentsQuality Score
1Brown Rudnick LLP5299.1
2W&C IP10397.6
3Hamre, Schumann, Mueller & Larson, P.C.5097.5
4Perkins Coie LLP8994.4
5K&L Gates LLP12494
6Kilpatrick Townsend & Stockton LLP33993.6
7Quarles & Brady LLP13793.3
8Oblon, McClelland, Maier & Neustadt, L.L.P.25893
9Maschoff Brennan7189.6
10Scully, Scott, Murphy & Presser, P.C.6689.2


Top 10 in Tech Center 1700

RankLaw FirmNo. of Issued PatentsQuality Score
1IPUSA, PLLC5697.9
2McDermott Will & Emery LLP21097.3
3Yee & Associates, P.C.6496.9
4Global IP Counselors, LLP6696.4
5Baker Botts L.L.P.11496.3
6ScienBiziP, P.C.9896.1
7Studebaker & Brackett PC13795.5
8Burr & Brown, PLLC11695.2
9Kinney & Lange, P.A.5394.2
10Amin, Turocy & Watson, LLP7093.6


Top 10 in Tech Center 2100

RankLaw FirmNo. of Issued PatentsQuality Score
1Harrity & Harrity, LLP75100
2Muirhead and Saturnelli, LLC5297.8
3Holland & Hart LLP9197.8
4Konrad Raynes Davda & Victor LLP16397.3
5Alleman Hall Creasman & Tuttle LLP6797
6Hanley, Flight & Zimmerman, LLC9796.1
7Nicholson De Vos Webster & Elliott LLP24395.9
8Trop, Pruner & Hu, P.C.9295.8
9Zilka-Kotab, P.C.13093.7
10Heslin Rothenberg Farley & Mesiti P.C.21092.4


Top 10 in Tech Center 2400

RankLaw FirmNo. of Issued PatentsQuality Score
1Harrity & Harrity, LLP17599.5
2Holland & Hart LLP/Qualcomm5398.7
3Hanley, Flight & Zimmerman, LLC21097.8
4Holland & Hart LLP31497
5Edell, Shapiro & Finnan, LLC14796.3
6Guntin & Gust, PLC27094.7
7IP Legal Services, LLC5894.7
8Patent Capital Group6394.5
9McDermott Will & Emery LLP8694.2
10Osha Bergman Watanabe & Burton LLP7393.8


Top 10 in Tech Center 2600

RankLaw FirmNo. of Issued PatentsQuality Score
1Guntin & Gust, PLC168100
2Pierce Atwood LLP8799.8
3Harrity & Harrity, LLP6799.6
4Alleman Hall Creasman & Tuttle LLP15399.5
5Kile Park Reed & Houtteman PLLC5698.1
6Holland & Hart LLP10096.8
7Eversheds Sutherland (US) LLP7396.6
8SBMC9096.1
9Keller Jolley Preece7795.8
10McDermott Will & Emery LLP20695.5


Top 10 in Tech Center 2800

RankLaw FirmNo. of Issued PatentsQuality Score
1Guntin & Gust, PLC6399.5
2Holland & Hart LLP18799.5
3The Marbury Law Group, PLLC16198.7
4Chip Law Group21898.2
5Duft & Bornsen, PC5298.2
6Vierra Magen Marcus LLP12697.6
7Alleman Hall Creasman & Tuttle LLP8596.7
8Robinson Intellectual Property Law Office13596.6
9Thompson Hine LLP12396.5
10Pramudji Law Group PLLC5595.8


Top 10 in Tech Center 3600

RankLaw FirmNo. of Issued PatentsQuality Score
1Harrity & Harrity, LLP8399.5
2Bejin Bieneman PLC24999.4
3Alleman Hall Creasman & Tuttle LLP8498.8
4ScienBiziP, P.C.5498.8
5Keating & Bennett, LLP7997.7
6Darrow Mustafa PC8197.7
7Mori & Ward, LLP8696.3
8Paratus Law Group, PLLC5195.6
9McGuireWoods LLP6994.7
10Athorus, PLLC6993.9


Top 10 in Tech Center 3700

RankLaw FirmNo. of Issued PatentsQuality Score
1Posz Law Group, PLC17699.4
2McCoy Russell LLP35699
3Mayer & Williams PC8098.5
4Quinn IP Law9798
5Keating & Bennett, LLP5597.5
6McDermott Will & Emery LLP9697.2
7McGarry Bair PC12997.2
8KED & Associates LLP15797
9Snell & Wilmer L.L.P.19496.1
10Dority & Manning, P.A.57296.1