Prosecution Insights
Last updated: April 19, 2026

Examiner: DIAMOND, ALAN D

Tech Center 3900 • Art Units: 1629 3991

This examiner grants 71% of resolved cases

Performance Statistics

71.4%
Allow Rate
+11.4% vs TC avg
213
Total Applications
+7.6%
Interview Lift
904
Avg Prosecution Days
Based on 192 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
6.0%
§102 Novelty
22.9%
§103 Obviousness
35.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17715787 QUATERNIZED NITROGEN COMPOUNDS AND USE THEREOF AS ADDITIVES IN FUELS AND LUBRICANTS Final Rejection BASF SE
18167038 LIGHT EMITTING ELEMENT AND AMINE COMPOUND FOR THE SAME Non-Final OA Samsung Display Co., Ltd.
18302666 HIGH-EFFICIENCY STRENGTH PROGRAM USED FOR MAKING PAPER IN HIGH CHARGE DEMAND SYSTEM Final Rejection ECOLAB USA INC.
18794403 Electrostatic Printing of Cyclodextrin Compositions Non-Final OA Verdant Technologies, LLC
18634437 Electrostatic Printing of Cyclodextrin Compositions Non-Final OA Verdant Technologies, LLC
18790829 CO-CRYSTAL FORMS OF A NOVOBIOCIN ANALOG AND PROLINE Non-Final OA Reata Pharmaceuticals, Inc.
18766429 COMPOSITIONS AND METHODS FOR THE TREATMENT OF PRESBYOPIA Non-Final OA Lenz Therapeutics Operations, Inc.
18765066 COMPOSITIONS AND METHODS FOR THE TREATMENT OF PRESBYOPIA Non-Final OA Lenz Therapeutics Operations, Inc.
18765156 CONTACT LENS COMPOSITIONS AND METHODS FOR THE TREATMENT OF PRESBYOPIA Non-Final OA Lenz Therapeutics Operations, Inc.
18731215 COMPOSITIONS AND METHODS FOR TREATING PSORIASIS Non-Final OA Sytheon Limited
18447142 Methods to Produce Heterogeneous Polyethylene Granules Final Rejection ExxonMobil Chemical Patents Inc.
18635580 SUBSTITUTED IMIDAZOLIDIN-2-ONE DERIVATIVES AS PRMT5 INHIBITORS Non-Final OA Aurigene Discovery Technologies limited
18412856 PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES Final Rejection THE CHEMOURS COMPANY FC, LLC
18208751 HETEROGENEOUS CATALYST FOR TRANSESTERIFICATION AND METHOD OF PREPARING SAME Final Rejection CRYSTAPHASE PRODUCTS, INC.
18469808 CRYSTALLINE N-[5-(AMINOSULFONYL)-4-METHYL-1,3-THIAZOL-2-YL]-N-METHYL-2-[4-(2-PYRIDINYL)PHENYL]ACETAMIDE MONO MESYLATE MONOHYDRATE HAVING A SPECIFIC PARTICLE SIZE DISTRIBUTION RANGE AND A SPECIFIC SURFACE AREA RANGE FOR USE IN PHARMACEUTICAL FORMULATIONS Final Rejection AiCuris Anti-Infective Cures GmbH
18234732 COMPOUNDS COMPRISING SELF-IMMOLATIVE GROUP Non-Final OA LigaChem Biosciences, Inc.
18003918 ORGANIC COMPOUND, ORGANIC ELECTROLUMINESCENT DEVICE AND ELECTRONIC APPARATUS THEREOF Non-Final OA SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.
17194645 Process For Producing Acesulfame Potassium Non-Final OA Celanese Sales Germany GmbH

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