California Code, Public Contract Code - PCC § 10318

No state agency or employee thereof shall draft or cause to be drafted, any specifications for bids, in connection with the acquisition or contemplated acquisition of any goods or textbooks for use in the day and evening elementary schools of the state, in such a manner as to limit the bidding directly or indirectly, to any one bidder.

Bidders may be required to furnish a bond or other indemnification to the state against claims or liability for patent infringement.