New Hampshire Supreme Court v. Piper 470 U.S. 274 (1985)
NEW HAMPSHIRE SUPREME COURT v. PIPER 470 U.S. 274 (1985)
inPiper the Supreme Court followed United Building and Construction Trades Council v. Camden (1984) and applied a two-step analysis for applying the privileges and immunities clause of Article IV. The Court held, 8–1, thatNew Hampshire's rule limiting the practice of law to New Hampshire citizens violated the clause. First, the clause was properly invoked; doing business in the state is a privilege that is "fundamental" to the preservation of interstate harmony. Second, the state had not sufficiently justified its exclusion of Piper, who lived in Vermont, 400 yards from the New Hampshire border, and intended to maintain a law office in New Hampshire.
Kenneth L. Karst