--- title: "Trellis vs Westlaw: Which is searched more in the United States?" description: "Is Trellis or Westlaw more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Court records platforms set in the United States. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/us/compare/trellis-vs-westlaw" publisher: "Brandwave" --- # Trellis vs Westlaw: Which is searched more in the United States? Is Trellis or Westlaw more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Court records platforms set in the United States. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: Trellis and Westlaw - **Competitive set**: Court records platforms - **Market**: United States - **Month measured**: Sep 2026 - **Trellis Share of Search**: 2.2% - **Westlaw Share of Search**: 83.6% ## Is Trellis or Westlaw more popular in search? - In September 2026, Westlaw had more branded searches than Trellis among court records platforms in the United States. Westlaw had about 201,000 branded searches, while Trellis had 5,400. Westlaw made up 83.6% of all court records platform searches we track, and Trellis accounted for 2.2%. - Westlaw was ahead of Trellis in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Trellis’ share of searches among court records platforms in the United States moved from 3.3% to 2.2%, and its estimated monthly branded searches moved from 8.1K to 5.4K. - Across the 12 months ending September 2026, Westlaw’s share of searches among court records platforms in the United States moved from 82% to 83.6%, and its estimated monthly branded searches held steady at 201K. ## Top court records platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Westlaw was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Trellis was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Westlaw was listed before Trellis in three out of four answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | PACER | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | CourtListener | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Westlaw | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | UniCourt | 4th | 2 of 3 | 0 of 2 | 2 of 5 | | Trellis | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | Lex Machina | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about court records platforms - Asked ChatGPT "Which court records platform should I use in the US?": 1. PACER, 2. CourtListener, 3. Westlaw - Asked ChatGPT "What are the best court records platforms in the US?": 1. PACER, 2. CourtListener, 3. UniCourt, 4. Trellis, 5. Westlaw - Asked ChatGPT "What's the best court records platform in the US for legal research?": 1. Westlaw, 2. PACER, 3. CourtListener, 4. UniCourt - Searched Google, AI Overview "search court records": 1. PACER - Searched Google, AI Overview "legal research platform": 1. Westlaw, 2. CourtListener, 3. PACER Not named in any answer: Lex Machina. Brands are listed in the order each answer named them. The answers were collected in United States on October 19, 2026. ## How did search popularity change for United States court records platforms in September 2026? - In September 2026, Westlaw gained share of searches among court records platforms in the United States, from 79% to 83.6%. - In September 2026, Trellis lost share of searches among court records platforms in the United States, from 3.2% to 2.2%. ## Month by month | Month | Trellis estimated searches | Trellis Share of Search | Trellis rank | Westlaw estimated searches | Westlaw Share of Search | Westlaw rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 8.1K | 3.3% | 4 | 201K | 82% | 1 | | Nov 2025 | 8.1K | 3.9% | 4 | 135K | 65.4% | 1 | | Dec 2025 | 8.1K | 4.8% | 4 | 110K | 65.5% | 1 | | Jan 2026 | 8.1K | 3.5% | 4 | 165K | 71% | 1 | | Feb 2026 | 6.6K | 3% | 4 | 165K | 75.3% | 1 | | Mar 2026 | 9.9K | 5% | 4 | 135K | 68.3% | 1 | | Apr 2026 | 8.1K | 4.1% | 4 | 135K | 68.7% | 1 | | May 2026 | 8.1K | 5.1% | 4 | 110K | 69.4% | 1 | | Jun 2026 | 6.6K | 3.7% | 4 | 135K | 76.5% | 1 | | Jul 2026 | 6.6K | 4.5% | 3 | 110K | 75.3% | 1 | | Aug 2026 | 5.4K | 3.2% | 4 | 135K | 79% | 1 | | Sep 2026 | 5.4K | 2.2% | 4 | 201K | 83.6% | 1 | ## How each brand is measured Brandwave collects information about searches that people make online using Trellis’ and Westlaw’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **Trellis**: Measured on the search term “trellis law”. - **Westlaw**: Measured on the search term “westlaw”. - [Trellis profile](/demand/us/brands/trellis) - [Westlaw profile](/demand/us/brands/westlaw) - [All court records platforms in the United States](/demand/us/categories/us-court-records-platforms): The set both shares are measured inside, 6 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Trellis or Westlaw more popular in search? In September 2026, Westlaw had more branded searches than Trellis among court records platforms in the United States. Westlaw had about 201,000 branded searches, while Trellis had 5,400. Westlaw made up 83.6% of all court records platform searches we track, and Trellis accounted for 2.2%. ## Cite this page Brandwave. "Trellis vs Westlaw: Which is searched more in the United States?". https://gobrandwave.com/demand/us/compare/trellis-vs-westlaw This page is also available as HTML at https://gobrandwave.com/demand/us/compare/trellis-vs-westlaw. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.