Prosecution Insights
Last updated: October 27, 2026

Louis J Rufo, USPTO Patent Examiner

Listed by the USPTO as RUFO, LOUIS J

Tech Center 1700 • Art Units: 1759 1781 1784 1795

This examiner grants 55% of resolved cases

Performance Statistics

54.6%
Allow Rate
-10.4% vs TC avg
780
Total Applications
+22.8%
Interview Lift
1224
Avg Prosecution Days
Based on 723 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
24.8%
§102 Novelty
50.5%
§103 Obviousness
21.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17154176 Method of Electrodeposition of Electroactive Species at Solid-Solid Interfaces Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18128878 POLYMER ELECTROLYTE WATER ELECTROLYZER GRAPHENE OXIDE FLAKE BLOCKING MATERIAL Non-Final OA Robert Bosch GmbH
18106867 POLYMER ELECTROLYTE WATER ELECTROLYZER BLOCKING MATERIAL Non-Final OA Robert Bosch GmbH
18418780 CARBON DIOXIDE CONVERSION DEVICE Non-Final OA TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18459734 MEMBRANE ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL, STACK AND ELECTROLYZER Final Rejection TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18352378 HYDROGEN SYSTEM OPERATION PLANNING DEVICE Non-Final OA TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18183223 ELECTRODE CATALYST INK OF WATER ELECTROLYSIS CELL, ELECTRODE CATALYST, WATER ELECTROLYSIS CELL, AND WATER ELECTROLYZER Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18037537 PROCESS KIT DE-BUBBLING Non-Final OA Lam Research Corporation
18584506 ELECTROLYTE COMPOSITION, ELECTROCHEMICAL PROCESS AND ANODIZED COMPONENT Non-Final OA ZF Active Safety GmbH
18564195 GAS DIFFUSION LAYER FOR AN ELECTROCHEMICAL CELL AND ELECTROCHEMICAL CELL Final Rejection Siemens Energy Global GmbH & Co. KG
18260879 PORE FORMING METHOD AND PORE FORMING APPARATUS Final Rejection HITACHI, LTD.
18280640 RESISTOR FOR PLATING APPARATUS, AND PLATING APPARATUS Final Rejection EBARA CORPORATION
18348545 WATER ELECTROLYZER Final Rejection SCREEN HOLDINGS CO., LTD.
17773920 CATALYST-IONOMER SYSTEMS AND METHODS FOR GAS-PHASE ELECTROLYSIS Final Rejection THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
18393585 CARRIER-ATTACHED ULTRA-THIN COPPER FOIL AND METHOD FOR PRODUCING THE SAME Non-Final OA NAN YA PLASTICS CORPORATION
18492114 ELECTROLYZER STACKS, ELECTROLYSIS SYSTEMS, AND METHODS FOR OPERATING ELECTROLYSIS SYSTEMS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18308522 REGENERATING LEAD ACID BATTERIES Final Rejection THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
17635480 REACTION APPARATUS Final Rejection THE UNIVERSITY OF NOTTINGHAM

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Frequently Asked Questions

What is examiner Louis J Rufo's allowance rate?

54.6% of resolved applications examined by Louis J Rufo were allowed (723 resolved cases), compared with 69.3% across Art Unit 1759 over the last five years.

Does an interview help with examiner Louis J Rufo?

This examiner's interview lift is +22.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Louis J Rufo take to allow a patent?

Applications allowed by Louis J Rufo took 1,224 days on average from filing to allowance.

Which art unit does examiner Louis J Rufo work in?

Louis J Rufo examines applications in Art Unit 1759 in Tech Center 1700 (Chemistry & Materials).

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