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

  • Technical field:  Food (meat products, noodle, chocolate, soup, 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
153Foley & Lardner
250K&L Gates
330Oblon McClelland Maier & Neustadt
426Knobbe Martens Olson & Bear
523Drinker Biddle & Reath
622Dorsey & Whitney
722Birch Stewart Kolasch & Birch
820Wilson Sonsini Goodrich & Rosati
920Fitch Even Tabin & Flannery
1019Sunit Talapatra
1118Gilberto M Villacorta
1218Carstens & Cahoon
1317Nixon & Vanderhye
1417Buchanan Ingersoll & Rooney
1517Sughrue Mion
1617Cooper & Dunham
1716John P White
1816Brinks Gilson & Lione
1916Sterne Kessler Goldstein & Fox
2015Fish & Richardson
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, Food 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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