Wednesday, April 10, 2024

2024 Patent Quality Rankings: The Top 50 Patent Law Firms

It's been five years since we first sought to quantify the state of patent accuracy in the U.S. Today, Patent Bots is pleased to announce our FIFTH annual Patent Quality Rankings of top patent law firms!

As we've done every year since 2020, we used our advanced machine learning software to review every patent issued  nearly 324,000 this year!  by the USPTO in the past year. 

We then ranked the 730 patent law firms with 50+ patents issued based on the average number of numbering, antecedent basis, and word support errors detected in their patents. Our rankings are based only on these error types and do not address many other important aspects of patent quality. 

Patent Accuracy: By the Numbers.

Before we unveil the top 50 patent law firms, let's take a look at the state of patent accuracy.
  • 323,820 patents processed by the Patent Bots AI
  • 36,824 (11.4%) patents with a perfect Patent Quality Score  up from 10.3% in 2023
  • 6.75 average errors per patent  down from 7.9 in 2023
  • 4 median errors per patent  down from 5 in 2023
The decline in errors per patent is not a one-year phenomenon. In fact, the average has declined nearly 25% in just five years  from 8.9 errors per patent in 2020 to an all-time low of 6.75 this year.

The decrease coincides with the rise of automated patent proofreading tools like Patent Bots Prep & Pros Pro. As more patent attorneys have implemented these tools into their workflows, the prevalence of errors has decreased steadily – and dramatically – year after year. 

That said, nearly 287,000 (88%) of all patents issued in the last year contained at least one numbering, antecedent basis, or word support error. If your firm doesn't use automated proofreading, try Patent Bots FREE for 14 days.

Now, on to the rankings!

2024 Patent Quality Rankings: Top 10 Large Firms.

We've segmented America's most active patent firms (those with at least 500 patents issued in the last year) into a Large Firms list to recognize their prolific patent practices. 

For the full Top 50 ranking of patent firms, keep scrolling! 

For the third consecutive year, Harrity & Harrity held the top spot in the rankings. Congratulations to Harrity & Harrity and the rest of these large firms for doing amazing work over the last year! 

(A quick note about the rankings: Some companies file their own patents rather than filing through outside counsel. In these instances, the company is both the patent filer AND the patent owner and is included in our rankings as both a firm and a company. The company rankings will be released later this year.)

RankLaw FirmPatents IssuedQuality Score
1Harrity & Harrity, LLP127498.9
2Holland & Hart LLP159697.1
3QUALCOMM Incorporated53896.3
4Global IP Counselors, LLP55988.9
5Patterson + Sheridan, LLP159188.7
6Keating & Bennett, LLP64485.8
8Lowenstein Sandler LLP1054< 85.2
9Rankin, Hill & Clark LLP605< 85.2
10Procopio, Cory, Hargreaves & Savitch LLP748< 85.2

2024 Patent Quality Rankings: Top 50 Firms Overall. 

Large firms don't have a monopoly on patent accuracy. In our Top 50 overall rankings, 43 firms had fewer than 500 patents issued, 31 had fewer than 200 issued, and 14 had fewer than 100 issued. 

Congratulations to Patent Bots customer FIG. 1 Patents for jumping all the way from No. 8 in our 2023 rankings to the top of our 2024 list. 

(If you don't see your firm on the list below, review our full list inside our PatentVerse. You'll need to log in to see your firm's ranking as we don't want to publicly identify firms with lower scores.)

RankLaw FirmPatents IssuedQuality Score
1FIG. 1 Patents26699.6
2Dierker & Kavanaugh, P.C.5399.3
3Commvault Systems, Inc.7499.1
4Harrity & Harrity, LLP127498.9
5The Pattani Law Group13998.1
6Lindauer Law, PLLC7098
7Holland & Hart LLP159697.1
8Duft & Bornsen, PC13797
9QUALCOMM Incorporated53896.3
10Ferguson Braswell Fraser Kubasta PC11996.3
11GTC Law Group PC & Affiliates13296.2
12Getz Balich LLC17896.1
13Neustel Law Offices8595.1
14MLO, a professional corp.9194.3
15Rowand LLP12194.1
16Garlick & Markison25694
19Talem IP Law, LLP5292.4
20Farjami & Farjami LLP6392
21Robinson Intellectual Property Law Office18491.9
22KENJA IP LAW PC15991.5
23Kubota & Basol LLP10490.9
24Alleman Hall Creasman & Tuttle LLP41890.7
25Pierce Atwood LLP18489.8
26Guntin & Gust, PLC25189.5
27CKC & Partners Co., LLC47889.4
28Innovation Counsel LLP33689.1
29Global IP Counselors, LLP55988.9
30ALG Intellectual Property, LLC12088.8
31Carrier, Shende & Associates P.C.14788.7
32Patterson + Sheridan, LLP159188.7
34Yee & Associates, P.C.17588.2
35IP Spring10088.2
36ARC IP Law, PC5487.7
37Parker Justiss, P.C.8587.2
38Cramer Patent & Design, PLLC6487.2
39The Small Patent Law Group LLC28687.1
40Intellectual Valley Law, P.C.5086.7
42Alleman Hall & Tuttle LLP5186.2
43Konrad Raynes Davda & Victor LLP6885.9
44Keating & Bennett, LLP64485.8
45Burris Law, PLLC28785.7
47Darrow Mustafa PC22885.4
48McGarry Bair PC27985.3
49SOLARIS Intellectual Property Group, PLLC10385.2
50Christopher P. Maiorana, PC5485.2

Patent Quality Rankings Methodology. 

The Patent Quality Rankings are based only on average errors in issued patents and don't address other important aspects of patent quality. 

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).

Although we may over- or under-count errors in an individual patent, the average number of errors across all of a firm's patents is a good indicator of the overall quality of the firm's work. 

Learn more about our methodology.