You can file and apply for the stateside waiver if you are otherwise eligible. Consult with a local attorney. I have never heard of not being able to adjust after a certain numbers of years. I just know that you will need a waiver because of your overstay.
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If you were inspected when you entered the U.S. and you are married to a U.S. citizen as you state, you can adjust status in the U.S. Do consult with an experienced Immigration Attorney for assistance.
Law Offices of J Thomas Smith J.D., Ph.D 11500 Northwest Freeway, Suite 280 Houston, TX 77092 713-LAWYER-2 www.MyImmigrationLawyer.info NOTE: Responses are for the education of the community at large and is not intended to be "legal advice." No attorney-client relationship is established by responses or comments.
If you are otherwise admissible and were inspected, adjustment of status through your immediate relative is a possibility. Consult with an immigration attorney to discuss whether there are any issues that may make you inadmissible or may affect your adjustment of status.