Under the facts you describe I do not see a problem.
973-984-0800. Please be advised my answers to questions does not constitute legal advise and you should not rely on it, due to the fact that we have never met, I have not been aprised of the facts in you case nor have I reviewed any documents.
If I hear you right your question is that if you are separated from your wife, will that be an impediment in naturalization? Answer: No unless the laws abroad require you to pay spousal/ child support and you have not honored it.
This response is general in nature and cannot be construed as legal advice, given that not enough facts are known. Any comments offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship. If you would like additional information based on this response, please contact my office at 510 657 7665 or 415 902 0832 to schedule a consultation.
I do not think so.
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Everything gets considered. Having an estranged wife is not a problem, unless you obtained your green card through marriage in the US while you were still married to someone in another country. Often when someone asks a question like this there is more to the story and reason for concern. However, sometimes there is not. Do yourself a favor and speak with a lawyer rather than guess.