(weenor, I tried to send this privately, but your mailbox is full.)
The 4th and 5th amendments are my avocation, the IRS is my job. The treatment for *contingent* attorney fees in the 11th circut are the same as in the rest of the country. The Supreme Court put the issue to rest in Commissioner v. Banks, 543 U.S. 426 (2005) where it said contingent fees are taxable as income to the plaintiff. (Anticipatory assignment)
I was forced to research a bit as I didn't want to start talking about the 11th circuit out of my backside. Prior to Banks, I believe the 11th circut in Davis v. Commissioner, 210 F.3d 1346 (2000) determined contingent attorney fees are excludable from gross income for federal tax purposes. The reasoning was that state law in those jurisdictions give attorneys ownership rights to the settlement. The minority result is the same in the Fifth and Sixth circuits as well. While the specifics are different, they are included in gross income and deductible as a miscellaneous deduction in the other circuits.
However, in Banks, the Supremes talked about the 2004 Act and said:
Had the Act been in force for the transactions
now under review, these cases likely would not have arisen. The Act is not retroactive, however, so while it may cover future taxpayers in respondents_ position, it does not pertain here.