https://www.taxtmi.com/caselaws?id=158081 Patent claims fail where the alleged invention is already publicly known and the applicant claims no exclusive right over the underlying substance. The text states that Butachlor was in public disclosure, and that using a solvent and emulsifying agent to make a herbicide into a marketable emulsion was a well-known pesticide industry process. On those materials, the claimed subject matter lacked novelty and inventive step, exposed the patent to revocation for prior public knowledge, and could not qualify as an invention under the Act. The challenge to dismissal of the infringement suit therefore failed, and the appeal was rejected. en-us Tue, 14 Jan 1986 00:00:00 +0530 Wed, 30 Jul 2014 12:57:00 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=158081 Patent claims fail where the alleged invention is already publicly known and the applicant claims no exclusive right over the underlying substance. The text states that Butachlor was in public disclosure, and that using a solvent and emulsifying agent to make a herbicide into a marketable emulsion was a well-known pesticide industry process. On those materials, the claimed subject matter lacked novelty and inventive step, exposed the patent to revocation for prior public knowledge, and could not qualify as an invention under the Act. The challenge to dismissal of the infringement suit therefore failed, and the appeal was rejected. Case-Laws Companies Law Tue, 14 Jan 1986 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=158081