Japan’s top 1000 patent prosecution firms represented 1,402,919 applications between 2019 and 2023. The 25 largest ones alone prosecuted 512,242 applications or approximately 37% of patent filings during the time period.
The Top 25 leading entities represented a staggering 72% of the total 148,781 patent applications between 2018 and 2023. PLASSERAUD, LAVOIX, CABINET BEAU DE LOMÉNIE, REGIMBEAU, and BREVALEX emerged as the frontrunners.
Between 2018 - 2022, over 180 patent prosecution firms in Australia represented about 194,383 filings. The top 5 firms, including SPRUSON & FERGUSON, DAVIES COLLISON CAVE, and GRIFFITH HACK among others handled more than 50% of the total.
Among the 353 patent in Great Britain, the top 15 including Dehns, Marks & Clerk, Mewburn Ellis, and HGF stood out prominently. These associated were responsible for prosecuting 59% of the total patent applications.
South Korea recorded a total of 948 representatives engaged in handling over 1,025,688 patent applications between 2018 and 2022. KIM & CHANG, Y.P.LEE, MOCK & PARTNERS and YOU ME PATENT AND LAW FIRM were consistently the 3 largest patent law firms.
Between 2018 and 2022, 250 firms representing 187,827 applications. The 25 largest associates, including De Penning & De Penning, Remfry & Sagar, & K&S Partners, alone prosecuted 83% of the total volume (156,118 applications).
Between 2018-2022, patent prosecution firms in the US handled roughly 2,507,377 patent applications. FISH & RICHARDSON, SUGHRUE MION, and OBLON took the leading positions and represented more than 5,500 patent applications per year. [...]
Between 2018 and 2022, The 3 top patent prosecution firms in China - UNITALEN, SCIHEAD IP GROUP, and CHOFN IP - represented more than 533,000 patent applications.
Brazilian patent filing representations are more concentrated and mostly helmed by the 20 largest patent prosecution firms whereas trademark filing representations are more disperse.
The top 20 IP law firms in Canada represented more than 69% of patent and trademark filings between 2018 and 2022. They include Gowling WLG, Smart & Biggar, Berskin and Parr, Robic, and Borden Ladner Gervais.
