Justice Kagan in Fox v. Vice, writes:
Federal law authorizes a court to award a reasonable attorney’s fee to the prevailing party in certain civil rights cases.
Chief Judge Easterbrook in an opinion decided last week, wrote:
The district court’s decision is reversed, and the casesare remanded for awards of reasonable attorneys’ fees under §1988.
A search of the U.S. database for “attorneys’ fees” yields 273 hits.
A search for “attorney’s fees” yields 596 hits.
I’ll go with attorney’s fees.