What must a party prove to successfully challenge a contract of adhesion?

To successfully challenge a contract of adhesion, a party must demonstrate that the contract was unfairly drafted. Contracts of adhesion are typically standardized agreements created by one party (usually the more powerful party) and presented to the other party on a "take it or leave it" basis, leaving little room for negotiation.

When assessing the validity of such contracts, courts look for evidence of unconscionability, which occurs when a contract is so one-sided that it is deemed unjust or overwhelmingly favorable to one party. Proving that the contract was unfairly drafted involves showing that the terms of the agreement were not only biased but also that the weaker party had little to no ability to modify the terms. This is often evidenced by the inclusion of clauses that disproportionately disadvantage the weaker party or by the lack of clarity in the terms, which could mislead or confuse them.

In contrast, the other options are less relevant to the challenge of a contract of adhesion. The registration of the other party or the accuracy of the price does not inherently address whether the contract itself was inherently unfair. Additionally, asserting that there is no need to prove anything is incorrect because a legal challenge typically requires the presentation of evidence and arguments to support a claim of unfairness. Thus, the correct