1. To attach, add to, or fasten on permanently. See FIXTURE.
2. Trademarks. To attach, physically or functionally, a trademark or servicemark to the goods or services it represents. • A mark must be affixed to show that it is used in trade. If physical attachment is impossible or impracticable, the mark may be used on a container or tag, or (esp. with servicemarks) displayed prominently in advertising. [Cases: Patents 98; Trade Regulation 64. C.J.S. Patents §§ 137–139; Trade-Marks, Trade-Names, and Unfair Compe-tition § 34.] — affixation (af-ik-say-sh[schwa]n), n.