As of February 2026, the Geyser Patent Attorney Directory contains 27 patent practitioners with verified filing records in Glass & Mineral Fibres (CPC C03). These practitioners have filed a combined 2 patent applications, of which 1 have been granted, a 50% allowance rate.
How 27 Glass & Mineral Fibres practitioners score on PatentFit
Annual patent filings in CPC C03
Firms with the most Glass & Mineral Fibres patent filings
Search the full Geyser directory to see individual practitioners ranked by PatentFit Score for your specific technology.
Search Glass Attorneys on GeyserPatent expertise in glass manufacturing, optical fibers, and mineral fiber technology.
View CPC definition ↗As of February 2026, the Geyser Patent Attorney Directory database contains 27 patent practitioners with verified filing records in Glass & Mineral Fibres (CPC C03). These practitioners have filed a combined 2 patent applications in this technology area, with 1 granted (50% allowance rate).
The allowance rate for patent applications classified under Glass & Mineral Fibres (CPC C03) 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 27 practitioners with proven filing records in Glass & Mineral Fibres. 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.