Prosecution Insights
Last updated: May 29, 2026

Examiner: KUYKENDALL, ALYSSA LEE

Tech Center 1700 • Art Units: 1732 1736 1774

This examiner grants 11% of resolved cases

Performance Statistics

11.1%
Allow Rate
-53.9% vs TC avg
77
Total Applications
+94.1%
Interview Lift
1355
Avg Prosecution Days
Based on 18 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
3.6%
§102 Novelty
95.2%
§103 Obviousness
0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17843100 HYDROGEN PRODUCTION APPARATUS Final Rejection IHI Corporation
18321437 Sulfur Recovery Unit to Convert Hydrogen Sulfide to Elemental Sulfur Final Rejection Saudi Arabian Oil Company
17929009 Reactor and Method for Carrying Out a Chemical Reaction Final Rejection BASF SE
17987184 GENERATING HYDROGEN AS FUEL FOR ENGINES AND/OR TO PRODUCE ELECTRICITY FOR OILFIELD APPLICATIONS Non-Final OA Halliburton Energy Services, Inc.
18030354 Solvent Recirculation System Non-Final OA LG Chem, Ltd.
18026905 Bubble Column Reactor Non-Final OA LG Chem, Ltd.
17797344 Polymerization Reactor for Production of Super Absorbent Polymer Non-Final OA LG Chem, Ltd.
18100331 REACTOR SYSTEM WITH SOURCE VESSEL WEIGHT MONITORING Non-Final OA ASM IP Holding B.V.
17548586 COMBINED REFORMING APPARATUS Final Rejection DOOSAN ENERBILITY CO., LTD.
17524760 Heat treating apparatus for recovering lithume carbonate and an apparatus for recovering lithume carbonate using the same Final Rejection DOOSAN ENERBILITY CO., LTD.
17881575 APPARATUS FOR PRODUCING HYDROGEN GAS Non-Final OA KIA CORPORATION
17881571 METHOD AND APPARATUS FOR PRODUCING HYDROGEN GAS Final Rejection KIA CORPORATION
17844945 HYDROGEN REFORMING SYSTEM Non-Final OA Kia Corporation
18171295 RESIN COMPOSITION RECYCLER Final Rejection HONDA MOTOR CO., LTD.
17632769 REUSABLE DIHYDROGEN GENERATOR Final Rejection COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18017856 FINE OBJECT SEPARATION DEVICE AND FINE OBJECT SEPARATION METHOD USING FINE OBJECT SEPARATION DEVICE Final Rejection INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
18245469 FIXED-BED TUBULAR REACTOR Non-Final OA COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
17765825 THERMAL CONDENSATION REACTOR Final Rejection DOW GLOBAL TECHNOLOGIES LLC
17792819 HEATED GAS STREAM FOR REDUCING OLIGOMER AND WAX BUILD UP IN RECYCLE COOLERS Non-Final OA BOREALIS AG
18013279 DEVICE FOR ONLINE CO-PRODUCTION OF CARBON-CONTAINING PRECURSORS AND HIGH-QUALITY OXYGEN-CONTAINING FUELS FROM BIOMASS PYROLYSIS GAS Final Rejection SOUTHEAST UNIVERSITY
17741825 DIMETHYLMERCURY PERMEATION DEVICE AND FORMATION METHOD AND USE THEREOF Final Rejection BATTELLE SAVANNAH RIVER ALLIANCE, LLC
18018068 DEVICE FOR RADIAL SEPARATION IN SIMULATED MOVING BED Final Rejection IFP Energies Nouvelles
18132523 APPARATUS AND METHOD FOR CONVERTING TOXIC GAS OF STERILIZATION PROCESSES TO BENIGN SUBSTANCES Non-Final OA BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS
18008592 SYSTEM FOR PRESSURISING PARALLEL BATCH REACTORS AND METHOD OF USING SUCH Final Rejection Avantium Technologies B.V.
18000997 MULTI-BED AMMONIA CONVERTER Final Rejection CASALE SA
17787810 COMBINED REACTOR FOR HIGH-PRESSURE SYNTHESIS OF MELAMINE Final Rejection Casale SA
18119541 INERTING TANK SYSTEM Non-Final OA AeroParts Manufacturnig & Repair, Inc.
17915639 Reactor System for Producing and/or Treating Particles in an Oscillating Process Gas Flow Non-Final OA Glatt Ingenieurtechnik Gesellschaft mit beschränkter Haftung
18109074 SYSTEM FOR SYSTEM FOR PREPARING HIGH-PURITY TAURINE AND SALT Non-Final OA QIANJIANG YONGAN PHARMACEUTICAL CO LTD
17927021 SYSTEM AND METHOD FOR A MULTI-CHAMBER BIOMASS REACTOR Final Rejection Takachar Lmited

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