Prosecution Insights
Last updated: October 02, 2026

Examiner: CORALLO, CATRIONA MARY

Tech Center 1700 • Art Units: 1732 1759

This examiner grants 67% of resolved cases

Analysis

Catriona Mary Corallo has managed 103 resolved cases within Tech Center 1700. Working in Art Unit 1732, she maintains an allowance rate of 67.0 percent. This metric is essential for patent attorneys to gauge the likelihood of a favorable outcome and to tailor their prosecution approach accordingly.

The median days to allowance for this examiner is 1208. This duration provides a concrete expectation for the length of time an application might remain in the prosecution phase. A period of 1208 days is a significant factor in the strategic planning of a patent portfolio and the timing of potential patent rights.

Additionally, the data indicates an interview lift of 12.9 percent. This suggests that engaging in a direct dialogue with the examiner can notably improve the chances of allowance compared to the base rate of 67.0 percent. The 12.9 percent lift serves as a strong incentive for practitioners to utilize interviews as a tool to resolve outstanding issues and move the application toward a grant.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

67.0%
Allow Rate
+2.0% vs TC avg
128
Total Applications
+12.9%
Interview Lift
1208
Avg Prosecution Days
Based on 103 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
8.8%
§102 Novelty
61.9%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18206372 COATING SOLUTION, GLASS SHEET, AND LAMINATED GLASS FOR BLOCKING UV AND BLUE LIGHT Non-Final OA FUYAO GLASS INDUSTRY GROUP CO., LTD.
17439515 COPPER EXTRUDATE CATALYST AND APPLICATIONS FOR HYDROGENATION AND HYDROGENOLYSIS Non-Final OA BASF CORPORATION
17758573 OXYGEN CARRIER PARTICLES HAVING METAL OXIDE-PEROVSKITE CORE-SHELL STRUCTURE AND CHEMICAL-LOOPING WATER/CARBON DIOXIDE THERMOCHEMICAL DECOMPOSITION PROCESS USING SAME Final Rejection KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
17998933 COMPOSITION COMPRISING AT LEAST ONE ORGANIC PEROXIDE AND AT LEAST ONE SULFUR-CONTAINING COMPOUND FOR CROSSLINKING POLYMERS IN THE PRESENCE OF OXYGEN Non-Final OA ARKEMA FRANCE
17796385 RECOVERY OF RARE EARTH ELEMENTS FROM ACIDIC SOLUTIONS Final Rejection THE PENN STATE RESEARCH FOUNDATION
17996668 PARTIAL OXIDATION GASIFICATION OF WET WASTE PLASTIC Non-Final OA Eastman Chemical Company
17615652 CARBON DIOXIDE ADSORBENT BASED ON HYDROPHOBIC SILANE-COATED AMINE-FUNCTIONALIZED MOF/ALUMINA COMPOSITE Non-Final OA KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
17911543 METHOD FOR PRODUCING LITHIUM SULFIDE Final Rejection MITSUBISHI MATERIALS CORPORATION
17914232 CATALYST FOR HALOGEN PRODUCTION, PACKAGE, AND METHOD FOR PRODUCING PACKAGE Final Rejection SUMITOMO CHEMICAL COMPANY, LIMITED
17858018 COMPOSITIONS, METHODS, AND SYSTEMS FOR MICROWAVE ENHANCED CARBON DIOXIDE-DEHYDROAROMATIZATION OVER MULTIFUNCTIONAL CATALYSTS Non-Final OA West Virginia University Board of Governors on Behalf of West Virginia University
17760374 CHEMICAL RECYCLING OF PLASTIC-DERIVED STREAMS TO A CRACKER SEPARATION ZONE WITH ENHANCED ENERGY EFFICIENCY Non-Final OA ExxonMobil Product Solutions Company

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