Prosecution Insights
Last updated: October 27, 2026

Roberto Toshiharu Igue, USPTO Patent Examiner

Listed by the USPTO as IGUE, ROBERTO TOSHIHARU

Tech Center 3700 • Art Units: 3741

This examiner grants 58% of resolved cases

Analysis

IGUE, ROBERTO TOSHIHARU works in tech center 3700 and art unit 3741. The profile covers 52 resolved cases, with a 57.7% allowance rate and a median of 958 days to allowance. The 20.8% interview lift is positive, indicating that interviews may improve prospects in a record with a mixed allowance outcome. The limited resolved-case volume calls for measured interpretation.

Safran S.A., Rolls-Royce plc, and Honda Motor Co., Ltd. are the leading companies. NIXON & VANDERHYE, PC, OLIFF PLC, and Alumen IP Law PC are the listed firms. Practitioners may prepare interviews around concrete distinctions over the cited art, while retaining amendment alternatives that address examiner concerns without unnecessarily narrowing the claims.

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

Performance Statistics

57.7%
Allow Rate
-12.3% vs TC avg
82
Total Applications
+20.8%
Interview Lift
958
Avg Prosecution Days
Based on 52 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
7.2%
§102 Novelty
58.4%
§103 Obviousness
30.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19474295 PROPULSION SYSTEM ARCHITECTURE COMPRISING AN UNDUCTED FAN AND A DUCTED FAN Non-Final OA Safran Aircraft Engines
19476476 PROPELLER OF AN AIRCRAFT TURBINE ENGINE AND METHOD FOR DE-ICING SAME Non-Final OA SAFRAN NACELLES
18998280 IMPROVED PROPULSION ASSEMBLY FOR MULTI-ENGINE HYBRID AIRCRAFT Final Rejection SAFRAN HELICOPTER ENGINES
17916348 PROPULSION SYSTEM FOR A NON-ROTARY-WING AIRCRAFT, AND ASSOCIATED AIRCRAFT Final Rejection SAFRAN
18916958 PROPULSION SYSTEM COMPRISING A HYDROGEN-BURNING GAS TURBINE ENGINE Non-Final OA Rolls-Royce plc
18174806 GAS TURBINE ENGINE SYSTEM Non-Final OA ROLLS-ROYCE plc
18189458 CONTROL DEVICE FOR AIRCRAFT Non-Final OA HONDA MOTOR CO., LTD.
18186222 TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHOD AND AIRCRAFT Non-Final OA HONDA MOTOR CO.,LTD.
18121810 METHOD AND APPARATUS FOR THRUST DETERMINATION IN AN AIRCRAFT ENGINE Non-Final OA General Electric Company
18121806 SYSTEM AND METHOD FOR TESTING AIRCRAFT ENGINES Final Rejection General Electric Company
18361593 THERMAL MANAGEMENT SYSTEM FOR AN ELECTRIC VEHICLE Final Rejection Honeywell International Inc.

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Frequently Asked Questions

What is examiner Roberto Toshiharu Igue's allowance rate?

57.7% of resolved applications examined by Roberto Toshiharu Igue were allowed (52 resolved cases), compared with 62.4% across Art Unit 3741 over the last five years.

Does an interview help with examiner Roberto Toshiharu Igue?

This examiner's interview lift is +20.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Roberto Toshiharu Igue take to allow a patent?

Applications allowed by Roberto Toshiharu Igue took 958 days on average from filing to allowance.

Which art unit does examiner Roberto Toshiharu Igue work in?

Roberto Toshiharu Igue examines applications in Art Unit 3741 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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