Prosecution Insights
Last updated: April 19, 2026

Examiner: ENGLISH, PETER C

Tech Center 3900 • Art Units: 3993

This examiner grants 32% of resolved cases

Performance Statistics

32.3%
Allow Rate
-27.7% vs TC avg
198
Total Applications
+25.9%
Interview Lift
1177
Avg Prosecution Days
Based on 167 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
13.3%
§102 Novelty
26.0%
§103 Obviousness
44.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18957466 CARBON CANISTER Non-Final OA Mahle International GmbH
18469834 TOW HOOK FOR A VEHICLE Final Rejection FCA US LLC
19035717 WATER FILTRATION APPARATUS Non-Final OA AQUIFY SYSTEM CORP.
18393356 ADDITIVE MANUFACTURED THERMOPLASTIC-NANOCOMPOSITE ALUMINUM HYBRID ROCKET FUEL GRAIN AND METHOD OF MANUFACTURING SAME Final Rejection Firehawk Aerospace, Inc.
18393305 PERSISTENT VORTEX GENERATING HIGH REGRESSION RATE SOLID FUEL GRAIN FOR A HYBRID ROCKET ENGINE Final Rejection Firehawk Aerospace, Inc.
18966071 MAXIMUM LIGHT PERFORMANCE GEMSTONE CUTTING TECHNIQUE Non-Final OA LEBIPIME IP LLC
18824763 PUPAE SINGULATOR AND SEX SORTER Non-Final OA Verily Life Sciences LLC
18095881 Robust Ion Source Non-Final OA MKS Inc.
18590929 VERTICAL MOTION ADJUSTER FOR THERMOTHERAPY DEVICE Non-Final OA Ceragem Co., LTD.
18440284 PRECISION MOTION Non-Final OA Zuta Labs Ltd.
18431155 APPARATUS AND METHOD FOR A CARBON REDUCTION ASSEMBLY Non-Final OA Municipal Enterprises Ltd.
18542625 FOUR-IN-ONE DRIVE POWERTRAIN FOR ELECTRIC VEHICLE Non-Final OA Zhejiang Xiyan Technology Co., Ltd.
18565722 Tracked Vehicle Having a Track Tensioner Non-Final OA Rheinmetall Landsysteme GmbH
18474441 UNATTENDED TRAILER HITCH LOCK Non-Final OA Altor Locks, LLC
18301134 SCREED PLATE APPARATUS AND METHOD FOR HOMOGENEOUSLY APPLYING PAVING MATERIAL TO A ROAD SURFACE Final Rejection Axenox, LLC.
18349208 METHODS AND SYSTEMS FOR MONITORING COUPLING OF FIFTH WHEELS TO KINGPINS Final Rejection Fontaine Fifth Wheel Company
18251577 HANDLEBAR WITH A MOUNTING ARRANGEMENT Final Rejection Cyclesport North Limited
18093262 SEED FIRMER LIFE EXTENDER MOUNTING BRACKET AND ANGLE ADJUSTMENT DEVICE FOR DISC-TYPE COULTERS Non-Final OA Flo-Rite Inc.
17900723 Multi-Part Valve Assembly Non-Final OA ValveWorks, LLC

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