Prosecution Insights
Last updated: October 27, 2026

Alyson Joan Harrington, USPTO Patent Examiner

Listed by the USPTO as HARRINGTON, ALYSON JOAN

Tech Center 3700 • Art Units: 3741

This examiner grants 75% of resolved cases

Analysis

HARRINGTON, ALYSON JOAN works in Tech Center 3700 and Art Unit 3741. Across 197 resolved cases, the profile records a 74.6% allowance rate and a median of 981 days to allowance. The case volume is smaller than many established examiner records, but it provides a defined outcome pattern for practitioners to consider.

The interview lift is 61.0%, indicating a strong positive association between interviews and allowance. The leading companies are Rolls-Royce plc, GE Avio S.r.l., and General Electric Company. The listed firms are HAUPTMAN HAM, LLP, OLIFF PLC, and Alumen IP Law PC. The data supports giving interviews substantial strategic attention, while recognizing that the allowance rate and interview lift measure different aspects of the record.

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

Performance Statistics

74.6%
Allow Rate
+4.6% vs TC avg
229
Total Applications
+61.0%
Interview Lift
981
Avg Prosecution Days
Based on 197 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
23.9%
§102 Novelty
46.4%
§103 Obviousness
27.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18782306 STAGED COMBUSTOR Final Rejection Rolls-Royce plc
18753161 GAS TURBINE HEAT EXCHANGER Final Rejection ROLLS-ROYCE plc
18667616 VEHICLE ELECTRICAL POWER SYNCHRONIZATION VIA HYDRAULICS Non-Final OA Rolls-Royce North American Technologies, Inc.
18741088 Thrust Reverser Mounting Assembly Final Rejection The Boeing Company
19033730 GAS TURBINE ENGINE INCLUDING FLOW TURNING COMBUSTOR Non-Final OA General Electric Company
18536610 HEAT SHIELD FOR A GAS TURBINE ENGINE Final Rejection General Electric Company
18512587 FUEL SUPPLY SYSTEM AND FUEL SUPPLY METHOD FOR GAS TURBINE COGENERATION SYSTEM Final Rejection MITSUBISHI HEAVY INDUSTRIES, LTD.
18640211 BOTTOMING CYCLE FOR POWER GENERATION AND ENGINE THERMAL MANAGEMENT Non-Final OA RTX Corporation
18423820 INJECTOR WITH SWIRLER FOR HYDROGEN-DRIVEN GAS TURBINE ENGINE Final Rejection PRATT & WHITNEY CANADA CORP.
18242184 Laser Cleaning Used Component of Substrate Processing Chamber Final Rejection Applied Materials, Inc.
18460595 METHOD FOR PRODUCING POWER STORAGE DEVICE Final Rejection Prime Planet Energy & Solutions, Inc.
17631772 OSCILLATING LASER WELDING WITH FILLER WIRES FOR JOINTING ALUMINUM ALLOY SHEETS WITH A LARGE GAP THEREBETWEEN Final Rejection BEIJING UNIVERSITY OF TECHNOLOGY

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Frequently Asked Questions

What is examiner Alyson Joan Harrington's allowance rate?

74.6% of resolved applications examined by Alyson Joan Harrington were allowed (197 resolved cases), compared with 62.4% across Art Unit 3741 over the last five years.

Does an interview help with examiner Alyson Joan Harrington?

This examiner's interview lift is +61.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Alyson Joan Harrington take to allow a patent?

Applications allowed by Alyson Joan Harrington took 981 days on average from filing to allowance.

Which art unit does examiner Alyson Joan Harrington work in?

Alyson Joan Harrington examines applications in Art Unit 3741 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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