Prosecution Insights
Last updated: May 29, 2026

Examiner: WEISS, PAMELA HL

Tech Center 1700 • Art Units: 1600 1732 1752 1759 1771 1796 1797

This examiner grants 54% of resolved cases

Performance Statistics

54.0%
Allow Rate
-11.0% vs TC avg
1,061
Total Applications
+46.9%
Interview Lift
989
Avg Prosecution Days
Based on 1006 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
3.0%
§102 Novelty
68.2%
§103 Obviousness
4.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18450958 METHOD TO USE LOSS CIRCULATION MATERIAL COMPOSITION COMPRISING ALKALINE NANOPARTICLE-BASED DISPERSION AND FORMATE ACTIVATOR IN DOWNHOLE CONDITIONS Non-Final OA SAUDI ARABIAN OIL COMPANY
18240031 Liquid Salt Composition and Methods of Making and Using Same Non-Final OA Halliburton Energy Services, Inc.
18374747 SELF-CLEANING CEMENTITIOUS SYSTEM AND METHOD Non-Final OA Purdue Research Foundation
18287278 GEOPOLYMER FOAMS BASED ON CERAMIC MATERIALS Final Rejection SIKA TECHNOLOGY AG
18553782 STRUCTURE Non-Final OA Nippon Telegraph and Telephone Corporation
18299490 CHAR BRICKS AND METHODS OF FABRICATION THEREOF Non-Final OA UNIVERSITY OF WYOMING
18271565 COMPOSITE PARTICLES AND METHOD FOR PRODUCING COMPOSITE PARTICLES Non-Final OA DIC Corporation
18297354 MODIFIABLE HARDENED POZZOLANIC MATERIAL Non-Final OA GOVERNMENT OF THE UNITED STATES AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
18310252 BRICK FABRICATED FROM WASTE FRP Non-Final OA National Taipei University of Technology
18260626 AQUEOUS BLEND OF PIGMENT AND AN ALKOXYLATED AMINE Non-Final OA Rohm and Haas Company
18010572 COMPOSITION FOR GLASS FIBER Non-Final OA Nippon Electric Glass Co., Ltd.
18295516 GYPSUM SLURRY MIXER PROCESS FOR ENHANCED WALLBOARD STRENGTH Non-Final OA UNITED STATES GYPSUM COMPANY
18384332 CONCRETE MIXTURE Non-Final OA Abu Dhabi University
18251614 TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS Final Rejection CHEMETALL GMBH
18245639 A MOISTURE-CURING ONE-COMPONENT POLYMER COMPOSITION COMPRISING A NATURAL GROUND CALCIUM CARBONATE (GCC) Final Rejection Omya International AG
18564193 PERFORMANCE ENHANCER FOR COMPOSITE CEMENTS Non-Final OA HSustainability GmbH
18566485 IRON-CONTAINING BINDER Non-Final OA RESOURCEFULL BV
18526105 GRINDING STABILIZING ADDITIVE FOR VERTICAL ROLLER MILLS Non-Final OA GCP Applied Technologies Inc.
18377910 GREEN CARBON PASTE COMPRISING A GREEN BINDER BASED ON GLUCOSE AND GLYCEROL AS A TAMPING/RAMMING PASTE Non-Final OA HINDALCO INDUSTRIES LIMITED
18553781 CONCRETE COMPOSITION FOR RAILWAY FOUNDATIONS Non-Final OA OVERAIL S.R.L.
18473593 CONCRETE COMPOSITION AND CONCRETE COATING MATERIAL CONTAINING BACTERIA HAVING CARBON DIOXIDE ADSORPTION MECHANISM, AND SHOTCRETE CONSTRUCTION METHOD USING THE SAME Non-Final OA Kyonggi University Industry & Academia Cooperation Foundation
18550804 METHOD FOR PRODUCING LIQUID DISPERSION OF METAL OXIDE CONTAINING ZIRCONIUM ELEMENT, AND LIQUID DISPERSION OF METAL OXIDE CONTAINING ZIRCONIUM ELEMENT Final Rejection SAKAI CHEMICAL INDUSTRY CO., LTD.
18462200 USE OF BRINE IN A METHOD OF MAKING CEMENTITIOUS COMPOSITIONS AND USES THEREOF Non-Final OA PARTANNA GLOBAL, INC.
18461877 COMPOSITION AND METHOD FOR TREATING AN ASPHALT PAVEMENT WITH A PENETRATING EMULSION Non-Final OA Heritage Research Group, LLC
18356175 METHOD AND APPARATUS FOR FILTRATION COMBUSTION Final Rejection Furno Materials, Inc.
18268946 PROCESS FOR TAILINGS STREAM SEDIMENTATION AND SEGREGATION Non-Final OA EnviCore Inc.
18039378 Methods of Producing Cured CO2 Sequestering Solid Compositions, Systems for Practicing the Same and Cured CO2 Sequestering Solid Compositions Produced Therefrom Non-Final OA Blue Planet Systems Corporation
18017687 CHROMIUM-FREE ANTICORROSIVE COATING COMPOSITION AND ARTICLE MADE THEREFROM Final Rejection Sherwin-Williams (Guangdong) New Material Co., Ltd.
18199128 POZZOLAN BASED CEMENT AND METHOD OF MAKING AND USING SAME Non-Final OA Comus Construction, LLC
18119163 COIR PITH COMPOSITION WITH IMPROVED LIQUID ABSORPTION EFFICIENCY AND METHOD OF PREPARATION THEREOF Non-Final OA DEEPTHI ORGANICS LLC

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