Can a settlement agreement and release of all claims be rescinded because of material misrepresentation?

Yes, a settlement agreement and release of all claims can be rescinded due to material misrepresentation. If one party knowingly provides false information that significantly influences the other party's decision to enter into the agreement, this can constitute grounds for rescission. The affected party may seek to void the agreement if they can demonstrate that the misrepresentation was material and that they relied on it when agreeing to the terms. Legal guidance is often advisable in such situations to navigate the complexities involved.