Obama Birth Certificate Released By White House (PHOTO)

Yes, he did:

It's certainly true that the Obama campaign has spent some amount of money opposing an array of lawsuits brought by people who claim that Obama has failed to produce a legitimate birth certificat­e and is therefore ineligible to serve as president.

[...]

In the interview with Roll Call, Sevugan confirmed that some of the legal fees were needed to defend the campaign against what he called "unmeritor­ious" lawsuits, including one that challenged Obama’s citizenshi­p. And WND reported that Perkins Coie attorney Robert Bauer wrote at least one letter to challenge a plaintiff, retired military officer Gregory S. Hollister, who had filed a suit raising questions about the legitimacy of Obama's right to hold the office of president.

Politifact­.com

Don't get stuck on the amount of money that was claimed Obama spent on lawyers for these lawsuits -- Just the fact that he had lawyers fighting the compelling of the birth certificat­e.
About Birthers
Read the Article at HuffingtonPost