An

A.N. filed a complaint for damages against Los Angeles County claiming he had been harmed while in custody at juvenile hall. Less than a month before trial, A.N. filed and served four “Doe” amendments (Code Civ. Proc., § 474), and served two previously filed Doe amendments, all to bring six county employees into the action as defendants. The individual defendants filed a “motion to quash” the Doe amendments on the ground that A.N. had unreasonably delayed in filing and serving the amendments. The trial court granted the motion. We affirm.

FACTS

The Pleadings

In May 2005, A.N. (by and through his guardian ad litem) filed a complaint for damages against Los Angeles County, Los Angeles County Sheriff Lee Baca, and “John Doe Deputy Sheriff Officers 1 through 15.” A.N.’s complaint alleged causes of action for negligence, violation of the Unruh Civil Rights Act (Civ. Code, § 51 et seq.), failure to prevent violation of civil rights, violation of constitutional rights, conspiracy to conceal violation of constitutional rights, and violation of 42 United States Code section 1985 . All of A.N.’s causes of action were based on the following allegations: In April 2004, A.N. was in…