In today’s rapidly evolving legal landscape, the everyday individual often finds themselves tangled in complex contracts that disproportionately favor the drafting parties—usually employers and landlords. Many contracts contain vague or unreasonable clauses, leaving employees and tenants vulnerable to unfavorable terms that may result in unforeseen financial burdens or restrictions. This situation highlights a critical deficiency in the contemporary legal environment, where fairness often takes a backseat to legalese.
One prevalent issue in these agreements is the use of ambiguous language. For instance, consider the common phrase, “Tenant must provide written notice of intent to vacate at a reasonable time.” The ambiguity surrounding what constitutes a “reasonable” timeframe can lead to disputes, as it is never clearly defined. Similarly, in employment contracts, clauses like “Employee agrees not to work for any business in the United States for two years following termination” are frequently included but may be rendered unenforceable by state laws that limit non-compete agreements, further complicating contractual obligations.
To combat these unfair practices, a team of researchers from New York University has introduced an innovative tool called ContractNerd. Utilizing advanced large language models (LLMs), this application meticulously analyzes contractual documents, categorizing clauses into four distinct classifications: missing clauses, unenforceable clauses, legally sound clauses, and clauses deemed legal yet risky. Notably, the tool identifies the latter by assessing their risk levels—high, medium, or low—which equips both drafters and signing parties with critical insights into potential legal pitfalls.
The developers of ContractNerd envision it as a transformative solution for navigating complex contractual landscapes. According to Dennis Shasha, a Senior Professor of Computer Science at NYU’s Courant Institute, “Many of us have to read and decide whether or not to sign contracts, but few of us have the legal training to understand them properly.” Through the application of artificial intelligence, ContractNerd aims to illuminate obscured legal nuances, thereby fostering a fairer and more transparent contractual system.
The tool’s operational focus includes analyzing employment contracts and leases prevalent in major urban settings such as New York City and Chicago. Leveraging a wealth of authoritative resources, including Thomson Reuters Westlaw and Justia, ContractNerd enhances its capability to identify clauses with varying levels of risk. This comprehensive analysis ensures that both local and state-specific regulations are taken into account, providing users with a well-rounded view of their contractual obligations.
The effectiveness of ContractNerd is supported by rigorous comparative studies against existing artificial intelligence systems that perform similar analyses. For example, the initial assessments demonstrated that ContractNerd outperformed competing tools—specifically, it was significantly more accurate in predicting which clauses might be deemed unenforceable in a legal context. This essential functionality not only streamlines contract evaluation but also provides users with peace of mind regarding their legal standing.
In a more subjective evaluation, the creators enlisted an independent panel of laypersons who analyzed the outputs of ContractNerd alongside another AI tool named goHeather. This assessment was based on multiple criteria, including relevance, accuracy, and completeness. The findings indicated that ContractNerd consistently received higher ratings for addressing the content and intent of contract clauses, reinforcing its superior analytical capabilities.
Further validating its efficacy, the researchers collaborated with NYU School of Law Professor Clayton Gillette to conduct qualitative assessments of both tools. By analyzing outputs ranging from the simple, such as “No pets allowed,” to more complex clauses, such as responsibility for attorney fees in the case of a lease breach, Professor Gillette found ContractNerd to deliver more thorough analyses. Nevertheless, he noted that while its outputs might be more detailed, the comprehensibility of goHeather’s analyses was notably higher, indicating room for improvement in user accessibility.
As ContractNerd continues to evolve, Shasha expresses a desire to expand the tool’s reach beyond urban centers like New York and Chicago to engage users across the nation, fostering an equitable legal landscape. He emphasizes the dual objective of the tool: “We see ContractNerd as an aid that can help guide users in determining if a contract is both legal and fair, potentially heading off both risky agreements and future legal disputes.” Such initiatives are imperative in an era where individuals increasingly find themselves navigating intricacies that often require professional interpretation.
The research surrounding ContractNerd contributes significantly to the intersection of technology and law, illustrating how artificial intelligence can function as a crucial ally in enhancing legal understanding. As these technologies advance, they offer the potential not only to streamline contract review processes but also to democratize access to legal knowledge—empowering individuals to advocate for themselves effectively.
In conclusion, the emergence of ContractNerd marks a pivotal step toward addressing the disparities present in contract law. As it continues to develop, this innovative tool could serve as a benchmark for future advancements, ensuring fairness and legality are prioritized in contractual agreements. The real question that lingers is how quickly such technology can be widely adopted and how it might transform the legal landscape in the years to come. It beckons legal professionals, clients, and tech developers alike to consider the immense potential that lies in the fusion of law and artificial intelligence.
Subject of Research: Contractual Analysis and Legal Fairness
Article Title: ContractNerd: An AI Tool to Find Unenforceable, Ambiguous, and Prejudicial Clauses in Contracts
News Publication Date: 27-Oct-2025
Web References: ContractNerd
References: MDPI Electronics, DOI: 10.3390/electronics1010000
Image Credits: NYU Research Team
Keywords
Artificial Intelligence, Contract Analysis, Legal Technology, Fairness in Law, New York University, Employment Contracts, Tenant Rights, Non-compete Agreements.

