Prosecution Insights
Last updated: October 26, 2026

Scott J Walthour, USPTO Patent Examiner

Listed by the USPTO as WALTHOUR, SCOTT J

Tech Center 3700 • Art Units: 3632 3741

This examiner grants 79% of resolved cases

Analysis

WALTHOUR, SCOTT J is assigned to Tech Center 3700 and Art Unit 3632. His docket contains 667 resolved cases, a 78.6% allowance rate, and a median of 959 days to allowance. The record shows that most matters reached allowance, although the median timing indicates a prosecution period that can extend well beyond two years.

The interview lift of 70.1% is a pronounced positive association between interviews and allowance. The leading companies are Rolls-Royce plc, Safran S.A., and General Electric Company. The leading firms are OLIFF PLC, CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC, and GREER, BURNS & CRAIN, LTD. Interview strategy appears particularly important for this profile, and applicants should prepare technical explanations and amendment options in advance.

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

Performance Statistics

78.6%
Allow Rate
+8.6% vs TC avg
688
Total Applications
+70.1%
Interview Lift
959
Avg Prosecution Days
Based on 667 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
25.3%
§102 Novelty
35.7%
§103 Obviousness
34.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18879556 AIRCRAFT PROPULSION SYSTEM WITH TURBINE ENGINE COUPLED TO AN ELECTRIC GENERATOR THE POWER OF WHICH IS LIMITED AS A FUNCTION OF ENGINE SPEED Non-Final OA SAFRAN AIRCRAFT ENGINES
19364678 GAS TURBINE PERFORMANCE Final Rejection ROLLS-ROYCE plc
19003432 HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF Non-Final OA ROLLS-ROYCE plc
19468097 ENGINE SYSTEM FOR AN AIRCRAFT COMPRISING MEANS FOR HEATING DIHYDROGEN BEFORE SUPPLYING AN ENGINE WITH DIHYDROGEN Non-Final OA Airbus Operations SAS
19389456 AXIAL STAGED COMBUSTION SYSTEM FOR SUPPRESSING GENERATION OF NITROGEN OXIDES FROM AMMONIA OR HYDROGEN FLAME Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18875366 CONTROL DEVICE FOR GAS TURBINE, GAS TURBINE FACILITY, CONTROL METHOD FOR GAS TURBINE, AND CONTROL PROGRAM FOR GAS TURBINE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18452756 LASER PROCESSING MACHINE Final Rejection DISCO CORPORATION
19109070 A TURBOMACHINE Non-Final OA APUGENIUS OY

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Frequently Asked Questions

What is examiner Scott J Walthour's allowance rate?

78.6% of resolved applications examined by Scott J Walthour were allowed (667 resolved cases), compared with 60.7% across Art Unit 3632 over the last five years.

Does an interview help with examiner Scott J Walthour?

This examiner's interview lift is +70.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Scott J Walthour take to allow a patent?

Applications allowed by Scott J Walthour took 959 days on average from filing to allowance.

Which art unit does examiner Scott J Walthour work in?

Scott J Walthour examines applications in Art Unit 3632 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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