The following table shows the ranking of United States IP law firm. The ranking is based on the following conditions.

  • Technical field:  Electronic circuit (electronic circuit device/component, semiconductor integrated circuit, etc.)
  • Status:  United States granted patents in 2018 (registration date).
  • Count:  The number of patents represented by each United States IP law firm, attorney or agent was counted.  Even if attorney or agent belongs to a law firm, they were counted separately.
RankingNo.IP law firm
1174Charles A Brill
2174Frank D Cimino
3142Oblon McClelland Maier & Neustadt
4116Knobbe Martens Olson & Bear
5107Slater Matsil
6106Sughrue Mion
7105Harness Dickey & Pierce
8105Keating & Bennett
9102Fish & Richardson
1088Withrow & Terranova
1183Schwegman Lundberg & Woessner
1278Cantor Colburn
1377Garlick & Markison
1477Winston Hsu
1575McDermott Will & Emery
1669Timothy W Markison
1768Seed IP Law Group
1864Chang & Hale
2063McClure Qualey & Rodack
2162Pearne & Gordon
2261McDonnell Boehnen Hulbert & Berghoff
2359Jaquez Land Greenhaus
2459William Park & Associates
2559Martin J Jaquez Esq
2658NSIP Law
2757John R Pessetto
2857Patterson & Sheridan
2955Arent Fox
3055McAndrews Held & Malloy
3153IP & T Group
3253Dentons US
3351Wolf Greenfield & Sacks
3550Richard T Ogawa
3648Michael Best & Friedrich
3747Jackson Walker
3847Kilpatrick Townsend & Stockton
3944Womble Bond Dickinson (US)
In preparing the table, a patent search expert conducted a patent search using patent classification and keywords (as necessary) in order to extract patents in specific technical field (here, Electronic circuit field).
In the patent search, it was confirmed that a high-accuracy population (i.e., a population not including non-relevant fields) of patents was obtained. Subsequently, the population was used to create the table.

By entering the Firm name in the "Attorney or Agent" column of USPTO database, you can find the patent information handled by each Firm.

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