The ABC was forced to spend thousands of dollars on legal fees after the Australian Federal Police adopted an "unhelpful and uncooperative attitude" to resolving a dispute over access to documents seized during a raid on the broadcaster's Sydney headquarters, a court has been told.

The ABC and the federal police returned to the Federal Court in Sydney on Monday as the national broadcaster prepared to seek an urgent injunction to stop the federal police from accessing material seized during the raid while it considers whether to appeal against a court decision that found the warrant authorising the raid was legally valid.

Australian Federal Police officers leave the ABC headquarters in Ultimo after the raid last June. Credit:Wolter Peeters

The ABC is expected to indicate whether it will lodge an appeal by 5pm on Friday.

The federal police had previously given an undertaking not to use material seized during the raid on June 5 last year pending the outcome of the Federal Court challenge to the validity of the warrant.