Prosecution Insights
Last updated: October 02, 2026

Examiner: GAMBLE JR, RANDALL LEE

Tech Center 3700 • Art Units: 1795 3791

This examiner grants 51% of resolved cases

Analysis

Randall Lee Gamble Jr is an examiner in Tech Center 3700, Art Unit 1795, with 37 resolved cases to date. His allowance rate is 51.4 percent, reflecting a balanced distribution between granted and abandoned applications. The median days to allowance for successful applications is 1215, reflecting the typical timeline for prosecution under this examiner's review. This pendency period is an important factor for applicants to consider when managing their intellectual property portfolios in Art Unit 1795.

Applicants may find value in requesting an interview, as the data shows an interview lift of 27.6 percent. This increase suggests that direct dialogue can be instrumental in moving toward an allowance, especially given the 51.4 percent baseline rate. While the 37 resolved cases represent a smaller sample compared to other examiners, the positive impact of interviews remains a notable trend. Utilizing the 27.6 percent lift can help bridge the gap between a rejection and a grant. The 1215-day median to allowance serves as a guide for the expected duration of the process.

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

Performance Statistics

51.4%
Allow Rate
-18.6% vs TC avg
73
Total Applications
+27.6%
Interview Lift
1215
Avg Prosecution Days
Based on 37 resolved cases, 2023–2026

Rejection Statute Breakdown

5.3%
§101 Eligibility
7.7%
§102 Novelty
59.7%
§103 Obviousness
27.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18768619 HIGH THROUGHPUT ELECTROCHEMICAL EXPERIMENTATION DEVICES AND METHODS Final Rejection The Johns Hopkins University
18903330 SENSORS USING POLYMERIC MATRICES Non-Final OA Government of the United States as represented by the Secretary of the Air Force
18608322 GAS RECOVERY SYSTEM Final Rejection DENSO CORPORATION
18676145 Display Method, Computer Readable Medium, and Electrophoresis System Final Rejection SHIMADZU CORPORATION
18094528 ELECTROPHORESIS SYSTEM, ELECTROPHORESIS APPARATUS, AND ELECTROPHORESIS ANALYSIS METHOD Final Rejection SHIMADZU CORPORATION
18079481 ELECTROPHORESIS SYSTEM, ELECTROPHORESIS APPARATUS, AND ELECTROPHORESIS ANALYSIS METHOD Final Rejection SHIMADZU CORPORATION
17827555 SENSING ASSEMBLY, SYSTEM AND METHOD FOR DETERMINING A PROPERTY Non-Final OA Analog Devices, Inc.
19060949 GAS SENSOR AND METHOD FOR CONTROLLING GAS SENSOR Non-Final OA NGK INSULATORS, LTD.
18602469 SENSOR ELEMENT Non-Final OA NGK INSULATORS, LTD.
18602459 SENSOR ELEMENT Non-Final OA NGK INSULATORS, LTD.
17950631 SENSOR ELEMENT Final Rejection NGK INSULATORS, LTD.
18768074 ELECTROCHEMICAL DETECTION OF A VIRAL INFECTION Final Rejection Ramot at Tel-Aviv University Ltd.
18058484 NANOPORE CELL WITH SEAMLESS WORKING ELECTRODE AND METHODS OF FORMING THE SAME Non-Final OA Roche Sequencing Solutions, Inc.
19099577 METHODS FOR DETECTING METABOLITES USING A MICROFLUIDIC-BASED CE-MS SYSTEM Non-Final OA ASTRAZENECA AB
18842683 Intelligent Electronic Nose System Non-Final OA University of Notre Dame du Lac
18003757 IMPEDANCE-BASED INTESTINAL ORGANOID EVALUATION SYSTEM Non-Final OA KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
18254458 AN INTEGRATED MULTI-METHOD ELECTROCHEMICAL BIOSENSOR FOR RAPID-ON-SITE DETECTION AND/OR QUANTIFICATION OF SMALL MOLECULE TARGETS IN A SAMPLE Final Rejection THE STATE OF ISRAEL, MINISTRY OF AGRICULTURE & RURAL DEVELOPMENT, AGRICULTURAL

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