Common-law rights.

Del. Code tit. 6, § 3315
in effect
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Nothing herein shall adversely affect the rights or the enforcement of the rights in marks acquired in good faith at any time at common law.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title6/c033/index.htmlFetched: 10/4/2026
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title6/c033/index.htmlFetched: 6/28/2026

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