Legal researchers shouldn’t have to jump between multiple sites or dig through scattered online sources just to find the right case. The process should be simple, reliable, and built into the tools they already use every day. That’s why HeinOnline is introducing a smarter, faster way to access case law: CourtListener, now fully integrated into HeinOnline.

With millions of decisions and powerful search tools at your fingertips, finding authoritative case law has never been easier. Whether you’re tracking down a specific citation, exploring how a decision has been interpreted, or guiding patrons through complex research questions, CourtListener provides a streamlined, intuitive experience inside the HeinOnline platform you already trust.

No extra logins. No juggling tabs. Just seamless access to high-quality, continuously updated case law, right where your legal research happens.

Go Beyond the Basics

Every HeinOnline Core subscription includes Case Law Basic at no extra charge, offering essential tools like citation lookup, PDF downloading, and inline hyperlinking. For those seeking deeper insights and greater efficiency, Case Law Premium (Powered by CourtListener) unlocks advanced features that save time, strengthen research, and connect case law with the full breadth of HeinOnline content.

Upgrading to Case Law Premium means moving beyond surface-level research.

Why CourtListener?

So why did we choose CourtListener as our case law partner? The answer is simple: reach, reliability, and research power. Developed by the Free Law Project, CourtListener’s coverage is unparalleled, including over nine million legal decisions from more than 2,000 courts, representing over 99% of all precedential U.S. case law. This includes:

• U.S. Supreme Court
• All U.S. Circuit Courts
• Federal District and Bankruptcy Courts
• Federal Circuit & D.C. Circuit
• Courts of Appeals
• State courts from all 50 states
• Territory, international, military, and special courts

For a more detailed breakdown, please visit CourtListener’s website.

CourtListener’s commitment to data quality, through machine learning, human review, and direct court partnerships, ensures users have access to accurate, continually updated case law.

Premium Features

Case Law Premium (Powered by CourtListener) gives you a suite of tools designed to make your research smarter, faster, and more connected, all while saving you valuable time and strengthening every legal analysis you take on.

ScholarCheck Integration

Instantly see how many articles within HeinOnline cite a particular case, giving you valuable insight into its scholarly influence. Go further by exploring which other cases have cited the decision, helping you quickly identify key legal authorities and trace the evolution of precedent. With ScholarCheck, you gain the context you need to understand not just what the law says, but how it has been applied, interpreted, and debated over time.

Full-Text and Metadata Searching

Search across the full text of all included cases, or narrow your focus using detailed metadata fields such as case name, party, court, and more. Whether you’re conducting broad research or drilling into a specific legal issue, this feature helps you quickly locate the most relevant and reliable cases to support your work.

Case Law in Global Search Results

With Case Law Premium, relevant case law is automatically included in your HeinOnline global search results, appearing right alongside articles, government documents, and other trusted sources. This seamless integration ensures you never miss a key precedent while exploring the broader legal and scholarly landscape, giving you a complete picture in a single search.

As we introduce CourtListener in HeinOnline, we also want to note that our integration with Fastcase, our previous case law provider, is coming to a close. If you subscribed to the Fastcase Premium database in HeinOnline, your institution has already received a notification about this transition. Your access to CourtListener has been activated, and your Fastcase access in HeinOnline will remain available through the end of your current billing period. No action is required on your part if you wish to continue receiving case law through HeinOnline. Our team is ready to help with any questions about the change or about the expanded research capabilities now available through CourtListener in HeinOnline. 

Take Your Case Law Research to the Next Level

Don’t settle for basic tools when your research deserves more. Case Law Premium gives you deeper searching, smarter connections, and the confidence that you’re relying on the most reliable case law support HeinOnline has ever offered.