Ministerial Regulations No. 22 (B.E. 2542) (1999) Issued under the Patent Act B.E. 2522 (1979) By virtue of the power granted under Sections 4, 24, 26, 27, 30 and 65 of the Patent Act B.E. 2522 and Sections 28, 65 quarter, 65 quinquies and 65 decies of the Patent
