Can an expired contract be renewed?

Technically an expired contract can't be 'renewed' — renewal extends a live agreement, and once it expires there's nothing live to extend. What actually happens is one of three things: the parties sign a new contract (often on the old terms, sometimes called a reinstatement); they sign a retroactive extension papering over the gap; or they just keep performing, creating an implied contract on roughly the old terms — the riskiest option, because key protections may not carry over and either side can walk away.

The gap period is the real hazard: work done between expiry and re-signing may sit outside liability caps, insurance requirements and agreed pricing.

If you're in this spot, get a new agreement signed quickly and date-stamp the gap. Then fix the upstream cause: contract end dates need reminders with enough lead time to renew before expiry, not after.