Technology Center 2400 covers networking, multiplexing, cable, and security. The security and cryptography art units within the tech center were the subject of our previous post titled “Top Firms for Cybersecurity Patents.” The average allowance rate in TC 2400 is 72.8%, but the firms below have rates quite a bit higher. 

To be eligible for inclusion, each firm must have disposed of at least 500 patent applications in TC 2400 in the 10-year period between 2006-2015. 

10. Meyertons Hood Kivlin Kowert & Goetzel (86.7%)

9. Park Vaughan Fleming & Dowler (88.0%)

8. Edell Shapiro & Finnan (88.3%)

7. Fenwick & West (89.3%)

6. Hickman Palermo Becker Bingham (90.8%)

5. Lee Hong Degerman Kang & Waimey (91.0%)

4. Harrity & Harrity (91.5%)

3. Patent Capital Group (92.6%)

2. Shumaker & Sieffert (92.7%)

1. Lowenstein Sandler (94.4%)

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