Section 9-331 - Priority of rights of purchasers of instruments, documents, and securities under other articles; priority of interests in financial assets and security entitlements under Title 8(a) This title does not limit the rights of a holder in due course of a negotiable instrument, a holder to which a negotiable document of title has been duly negotiated, or a protected purchaser of a security. These holders or purchasers take priority over an earlier security interest, even if perfected, to the extent provided in Titles 3, 7, and 8 of this article.(b) This title does not limit the rights of or impose liability on a person to the extent that the person is protected against the assertion of a claim under Title 8 of this article.(c) Filing under this title does not constitute notice of a claim or defense to the holders, or purchasers, or persons described in subsections (a) and (b).