California Code, Commercial Code - COM § 9331

(a) This division 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, a protected purchaser of a security, or a qualifying purchaser of a controllable account, controllable electronic record, or controllable payment intangible. These holders or purchasers take priority over an earlier security interest, even if perfected, to the extent provided in Division 3 (commencing with Section 3101), Division 7 (commencing with Section 7101), Division 8 (commencing with Section 8101), and Division 12 (commencing with Section 12101).

(b) This division 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 Division 8 (commencing with Section 8101) and Division 12 (commencing with Section 12101).

(c) Filing under this division does not constitute notice of a claim or defense to the holders, purchasers, or persons described in subdivisions (a) and (b).