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Yasumasa SASAKI (Mr.) authored the article “Recent Trends in the Examination of Antibody Drug and Food Use Inventions and Their International Comparison” which was published in Patent by the JPAA .

Title: Recent Trends in the Examination of Antibody Drug and Food Use Inventions and Their International Comparison
Author: Yasumasa SASAKI (Mr.), patent attorney
Publication: Patent vol. 73, No. 6
Publisher: Japan Patent Attorneys Association (JPAA)
Publication date: June 2020
Overview: Antibody drug inventions have sometimes been registered with no sequence limitations. We studied 400 recent patent cases and discovered that about 30% of such inventions were granted with no sequence limitations. More importantly, about 10% of the inventions were granted just by defining the antibody function, competitive antibody, or antigen (epitope). There was a trend that claims defined with the antibody function, competitive antibody, or antigen (epitope) were more accepted in Japan and Europe than in the U.S.
https://system.jpaa.or.jp/patent/viewPdf/3567