How can I get a copy of my alleged resignation?

I am not entirely sure I understand your issue, but it seems like you are claiming that your former employer has fabricated your resignation and,...

Is it legal for your employer to inquire about who may be sleeping with you?

It seems inappropriate, but whether or not it is illegal (or, frankly, inappropriate, depends on CONTEXT.

Can I get in legal trouble for violating someone’s attorney and client privilege?

I am not an expert on this field, but ... it really depends on who you are. If you are an attorney, and are violating your client's privacy,...

Hard to say, but maybe you don't have a case. There are lots of attorneys in the NY area who work on contingency. So if you're having a hard time...

well, they fired the wrongdoer, so that is a good start. I guess that from there, you may have a retaliation claim if you are being retaliated...

What should i do if i filed a complaint against my ex employers of pregnancy/race discrimination?

I agree with the other answers. Sounds like you may have a discrimination claim. Contact an employment lawyer.

I want to know if i can sue my former employees for demoting me after maternity leave?

I agree with the other answers. Sounds like you may have a discrimination claim. Contact an employment lawyer asap.

Accommodations have to be reasonable. Had to say what would be reasonable under these circumstances.

Can a co-working space discriminate based on gender, either for use of the facilities or for employment?

If you believe that you were discriminated against on the basis of your gender, you should contact an attorney.

Can an employer withhold a final paycheck for failure to sign resignation papers?

You work, you get paid. There is no requirement that you sign something to get your lastr check. Consider reaching out to the state dept of labor.