筆ひっ跡せき鑑かん定てい

noun

handwriting analysis; handwriting verification

Technical term used in forensics, document examination, and legal contexts to determine the authenticity or authorship of handwriting.

• 警けい察さつは遺い書しょの筆ひっ跡せき鑑かん定ていを専せん門もん家かに依い頼らいした。

  The police requested a handwriting analysis of the suicide note from an expert.

• 筆ひっ跡せき鑑かん定ていの結けっ果か、その署しょ名めいは偽ぎ造ぞうだと判はん明めいした。

  As a result of handwriting verification, the signature was found to be forged.