Yes, courts have upheld unilateral amendments requiring arbitration; see the Halliburton [0] and Lizalde [1] cases discussed in the course materials. Class-act

Yes, courts have upheld unilateral amendments requiring arbitration; see the Halliburton [0] and Lizalde [1] cases discussed in the course materials. Class-action waivers in arbitration provisions have been upheld by the U.S. Supreme Court in American Express v. Italian Colors Restaurant [2] [0] Halliburton: https://scholar.google.com/scholar_case?case=1820576798960453006 https://scholar.google.com/scholar_case?case=182057679896045... [1] Lizalde: https://scholar.google.com/scholar_case?case=16326955403953755557 https://scholar.google.com/scholar_case?case=163269554039537... [2] AmEx v. Italian Colors Restaurant: https://scholar.google.com/scholar_case?case=6722127011078046207 https://scholar.google.com/scholar_case?case=672212701107804...