Prosecution Insights
Last updated: April 19, 2026

Examiner: FELTON, AILEEN BAKER

Tech Center 1700 • Art Units: 1731 1734 1735 1793

This examiner grants 51% of resolved cases

Performance Statistics

51.3%
Allow Rate
-13.7% vs TC avg
486
Total Applications
+15.5%
Interview Lift
1648
Avg Prosecution Days
Based on 435 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
16.5%
§102 Novelty
63.7%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18343137 METHOD AND SYSTEM FOR UNZIPPING POLYMERS FOR ENHANCED ENERGY RELEASE Non-Final OA The Board of Trustees of the University of Illinois
18717599 HYBRID ROCKET ENGINE FUEL GRAINS WITH COMPOSITIONAL VARIATIONS Non-Final OA FIREHAWK AEROSPACE, INC.
18029710 GAS-FORMING AGENT COMPOSITION Final Rejection DAICEL CORPORATION
18029780 GAS-GENERATING AGENT COMPOSITION Final Rejection DAICEL CORPORATION
18077054 Thruster Propellants Non-Final OA Government of the United States, as represented by the Secretary of the Air Force
16986596 WATERLESS ELECTRICALLY OPERATED PROPELLANT Final Rejection RAYTHEON COMPANY
17995339 Material and Generator for Generating Hydrogen Gas Non-Final OA Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
18863314 PROPELLANT COMPOSITION WITHOUT ACTIVATED COPPER CHROMITE HAVING A HIGH BURN RATE AND ITS USE THEREOF IN PYROGEN IGNITERS FOR LARGE ROCKET MOTORS Non-Final OA CHAIRMAN, DEFENCE RESEARCH & DEVELOPMENT ORGANISATION (DRDO)
18106921 LOW VOLUME FRACTION, ENHANCED ENERGY RELEASE SCAFFOLDS FOR ENERGETIC MATERIAL Non-Final OA Lawrence Livermore National Security, LLC
17326863 DIAL-A-DRIVE EXPLOSIVE FORMULATIONS Non-Final OA LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
18711667 IGNITION AGENT AND IGNITER INCLUDING THE SAME Final Rejection NIPPON KAYAKU KABUSHIKI KAISHA
18696812 EMULSION EXPLOSIVE COMPOSITION FOR BOOSTER OF BULK EXPLOSIVE Final Rejection HANWHA CORPORATION
18116971 EMULSION EXPLOSIVE COMPOSITION BASED ON HYDROGEN PEROXIDE AND NITRATE Non-Final OA HANWHA CORPORATION
18602493 CHEMICAL HEAT SOURCES FOR USE IN DOWN-HOLE OPERATIONS Final Rejection BiSN Tec Ltd.
18597422 EXTERNAL HOMOGENIZATION SYSTEMS AND METHODS RELATED THERETO Non-Final OA Dyno Nobel Asia Pacific Pty Limited
18532759 CHEMICAL INHIBITORS FOR HIGH TEMPERATURE AND REACTIVE GROUND Final Rejection The University of Sydney
18416677 Lead-free Ballistic Modifier for Rocket Motor Propellants Non-Final OA USA AS REPRESENTED BY SECRETARY OF THE ARMY
18543210 BONDED THERMITE COMPOSITION Non-Final OA Anasphere, Inc.
18160893 PROTECTIVE LAYERS AND SELF-CONTAINED HEAT-GENERATING COMPOSITIONS FOR THERMAL GAS GENERATORS Non-Final OA Anasphere, Inc.
18522459 PROPELLANT ELEMENT AND METHOD FOR PRODUCING THE PROPELLANT ELEMENT Non-Final OA ZF AIRBAG GERMANY GMBH
17926193 GAS GENERATING COMPOSITION, USE THEREOF IN A GAS GENERATOR AND USE OF A BASIC MIXED METAL NITRATE Final Rejection ZF Airbag Germany GmbH
18284633 A NITROGEN GAS GENERATOR Non-Final OA EXXFIRE B.V.
18472446 ALLOY COMPOSITION FOR THERMAL FUSE OF SPRINKLER Non-Final OA HANAAMT CO., LTD
18351005 Propellant Final Rejection Deutsches Zentrum fuer Luft- und Raumfahrt e.V.
17793467 IGNITER TUBE FOR A PROPELLANT CHARGE Final Rejection EURENCO
18255863 Smoke-Producing Compositions Non-Final OA ETIENNE LACROIX TOUS ARTIFICES S.A.
18034599 AMMUNITION CARTRIDGE CASES Non-Final OA Cesaroni Aerospace Incorporated
18006414 GRANULATED EXPLOSIVE BASED ON A WATER-IN-OIL EMULSION, AND PRODUCTION AND USE THEREOF Non-Final OA MSW-CHEMIE GMBH
18148637 GAS GENERATING COMPOSITIONS AND METHODS OF USING Final Rejection JOYSON SAFETY SYSTEMS ACQUISITION LLC
17891052 IGNITER PELLET AND RELATED COMPOSITION FOR DECOY COUNTERMEASURE ASSEMBLY Non-Final OA Armtec Defense Products Co.

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