Sentence:  However , it determined that neither this factor , nor `` the fact that all concerned in high executive posts in both companies acted honorably and fairly , each in the honest conviction that his actions were in the best interests of his <WSD>own</WSD> company and without any design to overreach anyone , including du Pont 's competitors '' , 353 U. S. , at 607 , outweighed the Government 's claim for relief . 
Meaning of the word marked with <WSD> tags:  belonging to or on behalf of a specified person (especially yourself); preceded by a possessive