Legal Research

Legal research is the foundation of every legal argument, opinion, and
strategy. Its purpose is to identify the governing legal rules, understand
how courts have applied them, and predict how they will apply to the facts
at hand. Research that is incomplete, outdated, or poorly organized can lead

## Key Points

- **Frame the research question precisely**: Before opening any database,
- **Start with secondary sources**: Treatises, practice guides, law review
- **Use statutory research for regulatory questions**: When the issue involves
- **Build a case law research strategy**: Use headnotes and key numbers on
- **Verify all authorities with citators**: Run every case through KeyCite or
- **Search across jurisdictions strategically**: Start with binding authority
- **Use Boolean and natural language searches effectively**: Boolean searches
- **Document your research trail**: Record every database searched, every
- Create a research plan before beginning. List the issues, sub-issues, and
- Organize findings by issue, not by source type. Group all relevant cases,
- Read cases in full before citing them. Headnotes and summaries can be
- Pay attention to the procedural posture of cases. A ruling on a motion to

Core Philosophy

Legal research is the foundation of every legal argument, opinion, and strategy. Its purpose is to identify the governing legal rules, understand how courts have applied them, and predict how they will apply to the facts at hand. Research that is incomplete, outdated, or poorly organized can lead to malpractice, sanctions, and harm to clients.

Effective legal research is iterative, not linear. The researcher begins with a broad understanding of the legal issue, narrows to specific authorities, and then widens again to ensure nothing has been missed. Each source discovered may reframe the question or reveal new avenues of inquiry.

The modern legal researcher must balance thoroughness with efficiency. While digital tools have made vast quantities of legal material instantly accessible, they have also created the risk of information overload. The skilled researcher knows when to stop searching and start synthesizing.

Key Techniques

• Frame the research question precisely: Before opening any database, articulate the specific legal question in writing. A well-framed question guides efficient research and prevents scope creep.

• Start with secondary sources: Treatises, practice guides, law review articles, and legal encyclopedias provide context, identify key cases and statutes, and explain how different jurisdictions approach the issue.

• Use statutory research for regulatory questions: When the issue involves a statute, start with the text, then review legislative history, committee reports, and annotated code references to cases interpreting key provisions.

• Build a case law research strategy: Use headnotes and key numbers on Westlaw to find cases addressing specific legal points. Trace citing references forward to find more recent authority and verify good law status.

• Verify all authorities with citators: Run every case through KeyCite or Shepard's before relying on it. Check for negative treatment, subsequent history, and distinguishing cases. Never cite an overruled case.

• Search across jurisdictions strategically: Start with binding authority in the relevant jurisdiction. If binding authority is sparse, expand to persuasive authority from sister jurisdictions, federal courts, and influential state courts.

• Use Boolean and natural language searches effectively: Boolean searches with terms and connectors provide precision. Natural language searches capture broader results. Use both approaches and compare results.

• Document your research trail: Record every database searched, every query run, and every source reviewed. This prevents duplication of effort and creates a defensible record of research diligence.

Best Practices

• Create a research plan before beginning. List the issues, sub-issues, and the types of authority needed for each. Estimate time and adjust as needed.

• Organize findings by issue, not by source type. Group all relevant cases, statutes, and secondary sources under the legal question they address.

• Read cases in full before citing them. Headnotes and summaries can be misleading. The holding must be understood in context of the specific facts.

• Pay attention to the procedural posture of cases. A ruling on a motion to dismiss has different precedential weight than a post-trial ruling on the same legal issue.

• Check the date of every source. Statutes may have been amended, regulations may have been updated, and cases may have been superseded by later authority or legislative action.

• Use court rules and local practice guides for procedural questions. National treatises may not reflect jurisdiction-specific requirements.

• Maintain a personal research library of frequently needed authorities, organized by practice area. This saves time on recurring issues.

• Write research memoranda in a standard format: question presented, short answer, discussion with citations, and conclusion. This format ensures completeness and readability.

• When research reveals no authority directly on point, say so clearly. Analogize from related authority and identify the strongest arguments on both sides.

Anti-Patterns

• Relying on a single search: Running one query on one platform and treating the results as comprehensive is dangerous. Different databases index differently, and a single search string cannot capture all relevant variations.

• Citing without reading: Relying on headnotes, summaries, or AI-generated case descriptions without reading the full text risks citing cases for propositions they do not support. Courts have sanctioned attorneys for this.

• Ignoring adverse authority: Ethical obligations require disclosure of directly adverse controlling authority. Failing to find it through incomplete research does not excuse the obligation.

• Overresearching: Spending excessive time pursuing tangential issues or searching for the perfect case when sufficient authority has already been found wastes client resources. Know when research is good enough.

• Failing to update: Research completed weeks or months before filing may be stale. Always re-run citators and check for new authority before submitting any document to a court.

• Confusing persuasive and binding authority: Presenting a case from another jurisdiction as if it were binding in the relevant court undermines credibility. Always identify the weight of each authority cited.

• Neglecting free resources: Government websites, court opinion databases, and law school repositories often provide statutes, regulations, and opinions at no cost. Not every research task requires a paid platform.

• Presenting raw research without analysis: Delivering a list of cases without explaining their relevance, distinguishing their facts, or synthesizing the legal rule they establish is incomplete research.