As of March 2026, the Geyser Patent Attorney Directory contains 82 patent practitioners with verified filing records in Roads, Railways & Bridges (CPC E01). These practitioners have filed a combined 4 patent applications, of which 2 have been granted, a 50% allowance rate.
How 82 Roads, Railways & Bridges practitioners score on PatentFit
Annual patent filings in CPC E01
Firms with the most Roads, Railways & Bridges patent filings
Search the full Geyser directory to see individual practitioners ranked by PatentFit Score for your specific technology.
Search Infrastructure Attorneys on GeyserPatent filings in road construction, bridge engineering, and railway technology.
View CPC definition ↗As of March 2026, the Geyser Patent Attorney Directory database contains 82 patent practitioners with verified filing records in Roads, Railways & Bridges (CPC E01). These practitioners have filed a combined 4 patent applications in this technology area, with 2 granted (50% allowance rate).
The allowance rate for patent applications classified under Roads, Railways & Bridges (CPC E01) is 50% in our database. The USPTO-wide average is approximately 61.6%. Practitioners with high PatentFit Scores in this area significantly outperform this average.
The Geyser Patent Attorney Directory analyzes 82 practitioners with proven filing records in Roads, Railways & Bridges. Of these, 0 have PatentFit Scores rated "Strong" or "Exceptional," indicating deep specialization. You can search for your specific technology match on our directory.
PatentFit is a composite score (0-100) measuring how well a practitioner's actual filing record aligns with a specific technology area. It combines Specialization Depth (35%), Allowance Rate (25%), Filing Recency (20%), and Experience (20%). Full methodology at https://patentgeyser.com/methodology.
No. Patent practitioners are registered with the USPTO, a federal agency with nationwide jurisdiction. A patent attorney in any U.S. state can file and prosecute patent applications for inventors located anywhere. What matters is their proven expertise in your specific technology area.