Prosecution Insights
Last updated: October 02, 2026

Examiner: ARNOLD, ERNST V

Tech Center 1600 • Art Units: 1600 1613 1614 1616 1617 1626

This examiner grants 48% of resolved cases

Analysis

Ernst V. Arnold is an examiner in Tech Center 1600, with 1387 resolved cases. His allowance rate is 48.2 percent. This 48.2 percent rate indicates the frequency of granted patents among the 1387 resolved cases. Practitioners can use these figures to evaluate the prosecution environment in this tech center. The record of 1387 resolved cases provides a basis for analyzing the examiner's past actions and success rates.

The interview lift is 12.8 percent, which is a statistic that shows the change in allowance probability following an interview. This 12.8 percent lift is a metric for developing a strategy. The median days to allowance is 1164, providing a benchmark for the time required to reach a grant. This 1164-day median is a data point for managing expectations. These figures from Tech Center 1600 serve as the basis for understanding the examiner's historical performance and the duration of the prosecution cycle across a large volume of cases.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

48.2%
Allow Rate
-11.8% vs TC avg
1,456
Total Applications
+12.9%
Interview Lift
1165
Avg Prosecution Days
Based on 1389 resolved cases, 2023–2026

Rejection Statute Breakdown

2.8%
§101 Eligibility
15.9%
§102 Novelty
43.3%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18884577 LIPID COMPOSITION Final Rejection FUJIFILM Corporation
18205399 Hemostatic Foam Final Rejection STRYKER EUROPEAN OPERATIONS HOLDINGS LLC
18554705 NOVEL ANTI-INFLAMMATORY THERAPEUTICS AND METHOD OF USE THEREOF Final Rejection The Regents of the University of California
17831796 Oral Care Products and Methods Final Rejection BASF SE
17635734 STABILIZER CONCENTRATES FOR WAX DISPERSIONS Final Rejection BASF SE
18725289 IONIZABLE LIPIDS FOR MULTIPLE ORGAN TARGETING Non-Final OA Massachusetts Institute of Technology
18674730 PREPARATION OF PHARMACEUTICAL COMPOSITIONS USING SUPERCYCLE VAPOR PHASE DEPOSITION OF METAL OXIDES Non-Final OA Applied Materials, Inc.
18613671 METHOD FOR COATING PHARMACEUTICAL SUBSTRATES Final Rejection Applied Materials, Inc.
18717321 COMPOSITION COMPRISING TWO PARTICULAR OXIDATION DYE PRECURSORS AND A PHOSPHORIC SURFACTANT Non-Final OA L'OREAL
18679749 HYBRID NAIL COMPOSITION Final Rejection L'ORÉAL
18993843 ANTIVIRUS COMPOSITE RESIN COMPOSITION WITH EXCELLENT VIRUS INACTIVATION FUNCTION AND COMPOSITE-RESIN-COATED STEEL SHEET USING SAME Non-Final OA POSCO CO., LTD
18843771 Materials and Methods for Treating Iron Deficiencies and Iron Chlorosis in Plants Non-Final OA Locus Solutions IPCo, LLC
18987867 Pearlescent Wash Composition Non-Final OA Conopco, Inc., d/b/a UNILEVER
18869120 COSMETIC MATERIAL COMPOSITION AND FIBER TREATMENT COMPOSITION FOR HEAD DECORATION PRODUCTS Non-Final OA KAO CORPORATION
18282412 FUNCTIONALIZED CHITOSAN PREPARATION Non-Final OA Firmenich SA
18788933 LIPID EMULSION FOR PARENTERAL NUTRITION COMPRISING GPC Non-Final OA BAXTER HEALTHCARE SA
17622585 TRANSFECTION METHOD Non-Final OA Takeda Pharmaceutical Company Limited
17755425 Compositions of Clofazimine, Combinations Comprising Them, Processes for Their Preparation, Uses and Methods of Treatment Comprising Them Non-Final OA MannKind Corporation
18789155 Method of using binary coating agents in powder coating to achieve enhanced properties of the coated powder and its blends having cohesive powders Non-Final OA New Jersey Institute of Technology
18780610 Devices for Treating Diseases and Conditions Non-Final OA Tesla BioHealing Inc.
18273710 NALTREXONE COMPOSITIONS Non-Final OA LDN Pharma Limited
17335124 Pharmaceutical Composition for Improving Respiratory Damage and Use for Manufacturing Pharmaceutical Composition for Improving Respiratory Damage Non-Final OA Ming-Chien Hung

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