--- title: "Court records platforms in United States: Which are searched most?" description: "Compare the platforms used to search court records. Share of Search among CourtListener, PACER, Trellis, UniCourt and Lex Machina, the court records platforms Brandwave compares in United States, using the same methodology, market, and reporting period. 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/categories/us-court-records-platforms" publisher: "Brandwave" --- # Court records platforms in United States: Which are searched most? Compare the platforms used to search court records. Share of Search among CourtListener, PACER, Trellis, UniCourt and Lex Machina, the court records platforms Brandwave compares in United States, using the same methodology, market, and reporting period. 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 - **Competitive set**: Court records platforms - **Market**: United States - **Brands compared**: 5 - **Month measured**: Sep 2026 - **Highest Share of Search**: CourtListener, 45.9% ## Which brand is most popular in search among court records platforms in United States? - In September 2026, CourtListener was the most searched among court records platforms in United States, with an estimated 18.1K branded searches and 45.9% estimated Share of Search within this set. - PACER is in 2nd place, 25.9 percentage points behind at 20.1% Share of Search. - Across the 12 months ending September 2026, CourtListener’s estimated Share of Search among court records platforms in United States increased from 27.5% to 45.9%. - Across the 12 months ending September 2026, PACER’s estimated Share of Search among court records platforms in United States decreased from 31.8% to 20.1%. - Across the 12 months ending September 2026, Trellis’ estimated Share of Search among court records platforms in United States decreased from 18.4% to 13.7%. - Across the 12 months ending September 2026, UniCourt’s estimated Share of Search among court records platforms in United States decreased from 12.3% to 11.2%. - Across the 12 months ending September 2026, Lex Machina’s estimated Share of Search among court records platforms in United States decreased from 10% to 9.1%. - Across the 12 months ending September 2026, CourtListener’s estimated Share of Search among court records platforms in United States peaked at 45.9% in September 2026 and was lowest at 17% in November 2025. - Across the 12 months ending September 2026, PACER’s estimated Share of Search among court records platforms in United States peaked at 59% in November 2025 and was lowest at 13.6% in July 2026. - Across the 12 months ending September 2026, Trellis’ estimated Share of Search among court records platforms in United States peaked at 18.4% in October 2025 and was lowest at 11.4% in November 2025. - Across the 12 months ending September 2026, UniCourt’s estimated Share of Search among court records platforms in United States peaked at 15% in August 2026 and was lowest at 7.6% in November 2025. - Across the 12 months ending September 2026, Lex Machina’s estimated Share of Search among court records platforms in United States peaked at 12.2% in July 2026 and was lowest at 5% in November 2025. - Across the 12 months ending September 2026, CourtListener rose from 2nd to 1st among court records platforms in United States. - Across the 12 months ending September 2026, PACER fell from 1st to 2nd among court records platforms in United States. ## Compare search popularity between leading brands - [CourtListener vs PACER: compare search popularity](/demand/us/compare/courtlistener-vs-pacer): 45.9% against 20.1% Share of Search. - [CourtListener vs Trellis: compare search popularity](/demand/us/compare/courtlistener-vs-trellis): 45.9% against 13.7% Share of Search. - [CourtListener vs UniCourt: compare search popularity](/demand/us/compare/courtlistener-vs-unicourt): 45.9% against 11.2% Share of Search. - [CourtListener vs Lex Machina: compare search popularity](/demand/us/compare/courtlistener-vs-lex-machina): 45.9% against 9.1% Share of Search. - [PACER vs Trellis: compare search popularity](/demand/us/compare/pacer-vs-trellis): 20.1% against 13.7% Share of Search. - [PACER vs UniCourt: compare search popularity](/demand/us/compare/pacer-vs-unicourt): 20.1% against 11.2% Share of Search. - [PACER vs Lex Machina: compare search popularity](/demand/us/compare/lex-machina-vs-pacer): 20.1% against 9.1% Share of Search. - [Trellis vs UniCourt: compare search popularity](/demand/us/compare/trellis-vs-unicourt): 13.7% against 11.2% Share of Search. - [Trellis vs Lex Machina: compare search popularity](/demand/us/compare/lex-machina-vs-trellis): 13.7% against 9.1% Share of Search. - [UniCourt vs Lex Machina: compare search popularity](/demand/us/compare/lex-machina-vs-unicourt): 11.2% against 9.1% Share of Search. ## How did search popularity change for United States court records platforms in September 2026? - In September 2026, CourtListener gained estimated Share of Search among court records platforms in United States, from 41.2% to 45.9%. - In September 2026, PACER gained estimated Share of Search among court records platforms in United States, from 18.7% to 20.1%. - In September 2026, UniCourt lost estimated Share of Search among court records platforms in United States, from 15% to 11.2%. - In September 2026, Trellis lost estimated Share of Search among court records platforms in United States, from 15% to 13.7%. - In September 2026, Lex Machina lost estimated Share of Search among court records platforms in United States, from 10% to 9.1%. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | CourtListener | 45.9% | 18.1K | +22.3% | CourtListener | | 2 | PACER | 20.1% | 7.9K | +17.9% | PACER | | 3 | Trellis | 13.7% | 5.4K | 0.0% | Trellis | | 4 | UniCourt | 11.2% | 4.4K | -18.5% | UniCourt | | 5 | Lex Machina | 9.1% | 3.6K | 0.0% | Lex Machina | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | PACER | 14K | 31.8% | 1 | | Oct 2025 | CourtListener | 12.1K | 27.5% | 2 | | Oct 2025 | Trellis | 8.1K | 18.4% | 3 | | Oct 2025 | UniCourt | 5.4K | 12.3% | 4 | | Oct 2025 | Lex Machina | 4.4K | 10% | 5 | | Nov 2025 | PACER | 42.1K | 59% | 1 | | Nov 2025 | CourtListener | 12.1K | 17% | 2 | | Nov 2025 | Trellis | 8.1K | 11.4% | 3 | | Nov 2025 | UniCourt | 5.4K | 7.6% | 4 | | Nov 2025 | Lex Machina | 3.6K | 5% | 5 | | Dec 2025 | PACER | 28.7K | 49.6% | 1 | | Dec 2025 | CourtListener | 12.1K | 20.9% | 2 | | Dec 2025 | Trellis | 8.1K | 14% | 3 | | Dec 2025 | UniCourt | 5.4K | 9.3% | 4 | | Dec 2025 | Lex Machina | 3.6K | 6.2% | 5 | | Jan 2026 | PACER | 34.7K | 51.5% | 1 | | Jan 2026 | CourtListener | 14.8K | 22% | 2 | | Jan 2026 | Trellis | 8.1K | 12% | 3 | | Jan 2026 | UniCourt | 5.4K | 8% | 4 | | Jan 2026 | Lex Machina | 4.4K | 6.5% | 5 | | Feb 2026 | PACER | 19.7K | 36.3% | 1 | | Feb 2026 | CourtListener | 18.1K | 33.4% | 2 | | Feb 2026 | Trellis | 6.6K | 12.2% | 3 | | Feb 2026 | UniCourt | 5.4K | 10% | 4 | | Feb 2026 | Lex Machina | 4.4K | 8.1% | 5 | | Mar 2026 | PACER | 23.8K | 37.9% | 1 | | Mar 2026 | CourtListener | 18.1K | 28.8% | 2 | | Mar 2026 | Trellis | 9.9K | 15.8% | 3 | | Mar 2026 | UniCourt | 6.6K | 10.5% | 4 | | Mar 2026 | Lex Machina | 4.4K | 7% | 5 | | Apr 2026 | PACER | 28.7K | 46.7% | 1 | | Apr 2026 | CourtListener | 14.8K | 24.1% | 2 | | Apr 2026 | Trellis | 8.1K | 13.2% | 3 | | Apr 2026 | UniCourt | 5.4K | 8.8% | 4 | | Apr 2026 | Lex Machina | 4.4K | 7.2% | 5 | | May 2026 | CourtListener | 18.1K | 37.2% | 1 | | May 2026 | PACER | 13.4K | 27.6% | 2 | | May 2026 | Trellis | 8.1K | 16.7% | 3 | | May 2026 | UniCourt | 5.4K | 11.1% | 4 | | May 2026 | Lex Machina | 3.6K | 7.4% | 5 | | Jun 2026 | CourtListener | 18.1K | 43.6% | 1 | | Jun 2026 | PACER | 7K | 16.9% | 2 | | Jun 2026 | Trellis | 6.6K | 15.9% | 3 | | Jun 2026 | UniCourt | 5.4K | 13% | 4 | | Jun 2026 | Lex Machina | 4.4K | 10.6% | 5 | | Jul 2026 | CourtListener | 14.8K | 41% | 1 | | Jul 2026 | Trellis | 6.6K | 18.3% | 2 | | Jul 2026 | UniCourt | 5.4K | 15% | 3 | | Jul 2026 | PACER | 4.9K | 13.6% | 4 | | Jul 2026 | Lex Machina | 4.4K | 12.2% | 5 | | Aug 2026 | CourtListener | 14.8K | 41.2% | 1 | | Aug 2026 | PACER | 6.7K | 18.7% | 2 | | Aug 2026 | Trellis | 5.4K | 15% | 3 | | Aug 2026 | UniCourt | 5.4K | 15% | 4 | | Aug 2026 | Lex Machina | 3.6K | 10% | 5 | | Sep 2026 | CourtListener | 18.1K | 45.9% | 1 | | Sep 2026 | PACER | 7.9K | 20.1% | 2 | | Sep 2026 | Trellis | 5.4K | 13.7% | 3 | | Sep 2026 | UniCourt | 4.4K | 11.2% | 4 | | Sep 2026 | Lex Machina | 3.6K | 9.1% | 5 | ## What is being compared - **CourtListener**: Measured on the search term “courtlistener”. - **Lex Machina**: Measured on the search term “lex machina”. - **PACER**: Measured on the search terms “pacer court” and “pacer record”, summed into one figure. - **Trellis**: Measured on the search term “trellis law”. - **UniCourt**: Measured on the search term “unicourt”. - [CourtListener](/demand/us/brands/courtlistener) - [Lex Machina](/demand/us/brands/lex-machina) - [PACER](/demand/us/brands/pacer) - [Trellis](/demand/us/brands/trellis) - [UniCourt](/demand/us/brands/unicourt) ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Which brand is most popular in search among court records platforms in United States? In September 2026, CourtListener was the most searched among court records platforms in United States, with an estimated 18.1K branded searches and 45.9% estimated Share of Search within this set. ## Cite this page Brandwave. "Court records platforms in United States: Which are searched most?". https://gobrandwave.com/demand/us/categories/us-court-records-platforms This page is also available as HTML at https://gobrandwave.com/demand/us/categories/us-court-records-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.