1The company's patent on the new technology will expire in five years, allowing competitors to develop similar products.
2If you fail to renew your visa before it expires, you may be subject to penalties or even deportation.
3The doctor warned that the prescription would expire after six months, so I needed to refill it promptly.
4The contract will expire automatically if neither party renews it within the specified timeframe.
5There is ongoing debate among policymakers about whether copyright protections should expire after a certain number of years or remain in place indefinitely.