Prosecution Insights
Last updated: April 19, 2026

Examiner: CASE, SARAH CATHERINE

Tech Center 1700 • Art Units: 1718 1731

This examiner grants 35% of resolved cases

Performance Statistics

35.0%
Allow Rate
-30.0% vs TC avg
100
Total Applications
+50.0%
Interview Lift
1158
Avg Prosecution Days
Based on 40 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
18.1%
§102 Novelty
47.8%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18574142 USE OF ASPHALT COMPOSITION FOR WEATHERPROOFING APPLICATION Non-Final OA BASF SE
18014915 CLOSED-CELL METAL OXIDE PARTICLES Final Rejection BASF SE
18188026 METHOD FOR PRODUCING COMPOSITION FOR FORMING INTERLAYER FOR NANOIMPRINT, METHOD FOR PRODUCING LAMINATE, IMPRINT PATTERN PRODUCING METHOD, AND METHOD FOR MANUFACTURING DEVICE Non-Final OA FUJIFILM Corporation
17793863 COATED ABRASIVE ARTICLE AND METHOD OF MAKING THE SAME Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
19088758 HYBRID STRUCTURAL POLYMER-BINDER COMPOSITE CONSTRUCTION AND PAVING MATERIAL Final Rejection New Village Initiative LLC
19110676 POLYESTER-BASED SYNTHETIC FIBERS, AND TREATMENT AGENT AND COMPOSITION THEREOF THEREFOR Final Rejection Takemoto Oil & Fat Co., Ltd.
18687055 ASPHALT MIXTURE Non-Final OA KAO CORPORATION
17910706 ADDITIVE FOR CEMENT-FREE BUILDING MATERIALS Final Rejection ETH Zürich
17912426 METHOD FOR PRODUCING SURFACE-TREATED SILICA POWDER, RESIN COMPOSITION, AND SLURRY Non-Final OA TOKUYAMA CORPORATION
18116570 MELAMINE- AND BLOWING AGENT-FREE INTUMESCENT COMPOSITIONS CONTAINING GALLOYL MOIETIES Final Rejection CASE WESTERN RESERVE UNIVERSITY
17838343 ON DEMAND KIT FOR CUSTOMIZABLE CEMENTITIOUS COMPOSITIONS Final Rejection SIKA TECHNOLOGY AG
17644670 SURFACE TREATMENT AGENT, SURFACE TREATMENT METHOD, AND REGION SELECTIVE FILM FORMATION METHOD FOR SURFACE OF SUBSTRATE Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18014306 COATING COMPOSITION AND METHOD FOR PRODUCING COATING COMPOSITION Final Rejection NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
17925959 CEMENTITIOUS SKIM COAT COMPOSITIONS CONTAINING CROSSLINKED CELLULOSE ETHERS FOR MORTARS WITH ENHANCED GEL STRENGTH Final Rejection Dow Global Technologies LLC
17729672 METHOD FOR PRODUCING POLISHING COMPOSITION Non-Final OA FUJIMI INCORPORATED
18298378 POLISHING PAD WITH IMPROVED WETTABILITY AND METHOD FOR PREPARING SAME Final Rejection ENPULSE CO., LTD.
18461077 POLISHING LIQUID FOR POLISHING COMPOUND SEMICONDUCTOR SUBSTRATE Non-Final OA DISCO CORPORATION
17909443 PROCESS FOR PRODUCING FOAMED CONCRETE Final Rejection Wacker Chemie AG
18569481 SILICON COMPOSITION AND ITS APPLICATION AS AN ADDITIVE FOR REDUCING WATER UPTAKE ENHANCING COMPRESSIVE STRENGTH IN CEMENT INDUSTRY Non-Final OA Wacker Metroark Chemicals Pvt. Ltd.
18026155 TRANSFORMATION OF LUMP SLAG INTO SUPPLEMENTARY CEMENTITIOUS MATERIAL BY CARBONATIZATION Final Rejection HSustainability GmbH
18018619 TWO STEP CARBONATION HARDENING OF HYDRAULIC CEMENT BASED CONCRETE Final Rejection HSustainability GmbH
18012880 COMPOSITE PIGMENT, THERMOPLASTIC RESIN COMPOSITION CONTAINING SAME, AND MOLDED BODY Non-Final OA TOYO ALUMINIUM KABUSHIKI KAISHA
18462066 ASPHALT BINDERS AND RELATED METHODS AND USES Non-Final OA InnoTech Alberta Inc.
18067896 SYSTEMS AND METHODS OF CARBON CAPTURE FROM CEMENT PRODUCTION PROCESS Non-Final OA Heirloom Carbon Technologies, Inc.
17564742 POLISHING PAD, MANUFACTURING METHOD THEREOF, METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING SAME Non-Final OA SK enpulse Co., Ltd.
17770814 MOLYBDENUM OXYCHLORIDE WITH IMPROVED BULK DENSITY Final Rejection MATERION CORPORATION
18264235 TARGETED ADDITION OF GRINDING AIDS DURING A GRINDING PROCESS Non-Final OA CEMEX INNOVATION HOLDING AG
18037576 A LOW-CARBON CEMENT AND ITS METHOD OF PRODUCTION Non-Final OA SECIL-COMPANHIA GERAL DE CAL E CIMENTO, S.A.
18027643 HYBRID FIBER REINFORCED CEMENTITIOUS MATERIAL Non-Final OA Atlantis Holdings Ltd.
18116448 TREATMENT OF REINFORCEMENTS TO IMPROVE THE INTERFACE TRANSITION ZONE IN CONCRETES Final Rejection The Board of Trustees of The University of Alabama

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