Prosecution Insights
Last updated: October 27, 2026

Alexander W Keeling, USPTO Patent Examiner

Listed by the USPTO as KEELING, ALEXANDER W

Tech Center 1700 • Art Units: 1736 1759 1785 1795

This examiner grants 56% of resolved cases

Analysis

Alexander W. Keeling works in tech center 1700 and art unit 1736, with 596 resolved cases. The allowance rate is 56.0%, and the median time to allowance is 1227 days. Interview lift is 37.9%, showing a favorable association that may make interviews useful in a record where the allowance rate is near half of resolved cases.

The listed companies are King Fahd University of Petroleum and Minerals, Lawrence Livermore National Security LLC, and Uop LLC. The listed firms are ADE & COMPANY INC., HESLIN ROTHENBERG FARLEY & MESITI PC, and OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P. Practitioners may prepare interviews around specific claim distinctions and maintain a sustained written strategy.

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

Performance Statistics

56.0%
Allow Rate
-9.0% vs TC avg
657
Total Applications
+37.9%
Interview Lift
1227
Avg Prosecution Days
Based on 596 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
16.8%
§102 Novelty
55.4%
§103 Obviousness
22.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18041896 Membranes Non-Final OA Fujifilm Corporation
18060474 METHOD OF DETECTING LEAKAGE IN WATER ELECTROLYZER, METHOD OF GENERATING HYDROGEN, PROGRAM FOR DETECTING LEAKAGE IN WATER ELECTOLYZER, AND WATER ELECTROLYZER Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18459490 ELECTRODE FOR ELECTROCHEMICAL REACTION DEVICE, MEMBRANE ELECTRODE ASSEMBLY, AND ELECTROCHEMICAL REACTION DEVICE Final Rejection TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18435126 METAL RECOVERY SYSTEM AND METAL RECOVERY METHOD Non-Final OA HONDA MOTOR CO., LTD.
18426924 METHOD OF PREDICTING EXTERNAL CORROSION RISK ON BURIED GAS FLOWLINES Non-Final OA SAUDI ARABIAN OIL COMPANY
18340469 LEAD ELECTRODE FOR ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE AND METHOD OF PREPARING THEREOF Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18340094 MANGANESE OXIDE OVER NICKEL FOAM AS AN ELECTROCATALYST FOR WATER OXIDATION Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18289670 ELECTROLYTE MEMBRANE LAMINATE, ELECTROLYTE MEMBRANE EQUIPPED WITH CATALYST LAYER, MEMBRANE ELECTRODE CONJUGATE, HYDROLYSIS-TYPE HYDROGEN GENERATION DEVICE, AND METHOD FOR PRODUCING ELECTROLYTE MEMBRANE EQUIPPED WITH CATALYST LAYER Non-Final OA TORAY INDUSTRIES, INC.
18398354 MEMBRANE ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE MEMBRANE WATER ELECTROLYSIS AND WATER ELECTROLYZER Non-Final OA AGC INC.
17809433 SINGLE-ATOMICALLY DISPERSED METAL / UNCONVENTIONAL-PHASE TRANSITION-METAL DICHALCOGENIDE NANOSHEET HYBRIDS AND METHODS OF PREPARATION AND USE THEREOF Final Rejection City University of Hong Kong
17261473 RENEWABLE POWER TO RENEWABLE NATURAL GAS USING BIOLOGICAL METHANE PRODUCTION Final Rejection Alliance for Energy Innovation, LLC
18347003 ELECTROLZYER STACKS, ELECTROLYSIS SYSTEMS, AND METHODS FOR OPERATING ELECTROLYSIS SYSTEMS INCLUDING ACTIVE COMPRESSION Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Frequently Asked Questions

What is examiner Alexander W Keeling's allowance rate?

56.0% of resolved applications examined by Alexander W Keeling were allowed (596 resolved cases), compared with 62.6% across Art Unit 1736 over the last five years.

Does an interview help with examiner Alexander W Keeling?

This examiner's interview lift is +37.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Alexander W Keeling take to allow a patent?

Applications allowed by Alexander W Keeling took 1,227 days on average from filing to allowance.

Which art unit does examiner Alexander W Keeling work in?

Alexander W Keeling examines applications in Art Unit 1736 in Tech Center 1700 (Chemistry & Materials).

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