Green Cards without expirations are now required to be renewed. If you haven't done it and need assistance please speak to an attorney or visit
http://www.usaresidency.netYou may also visit
http://www.USCIS.govto get your I-90 application.
Note: If you have had any criminal convictions or any activity that you believe may cause some complications in renewing your Green Card, it is recommended that you consult with an attorney before doing so.
This also includes Permanent Residence cards _base_d on family petitions.