Prosecution Insights
Last updated: October 26, 2026

Susannah Sipple Armstrong, USPTO Patent Examiner

Listed by the USPTO as ARMSTRONG, SUSANNAH SIPPLE

Tech Center 3600 • Art Units: 1616 1629 3642

This examiner grants 30% of resolved cases

Analysis

ARMSTRONG, SUSANNAH SIPPLE works in tech center 3600 and art unit 1616. The record has 30 resolved cases, a 30.0% allowance rate, and a median of 1175 days to allowance. The limited case volume makes the profile more appropriately directional than conclusive, while the allowance figure signals that applications may require careful development before a favorable outcome.

Interview lift is 53.1%, the largest outcome-related figure reported in this profile. The listed companies are The University of North Carolina at Chapel Hill, L'Oréal, and CJ CheilJedang Corporation. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, BOZICEVIC, FIELD & FRANCIS LLP, and Calfee, Halter & Griswold LLP. Practitioners may give interviews a prominent role, supported by claim charts and specific responses to the examiner's stated concerns.

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

Performance Statistics

30.0%
Allow Rate
-22.0% vs TC avg
91
Total Applications
+53.1%
Interview Lift
1175
Avg Prosecution Days
Based on 30 resolved cases, 2023–2026

Rejection Statute Breakdown

4.6%
§101 Eligibility
15.0%
§102 Novelty
35.3%
§103 Obviousness
26.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18690259 COMPOSITION FOR ALLEVIATING DROUGHT STRESS COMPRISING AMINO ACID Final Rejection CJ CheilJedang Corporation
18853592 ADAPTIVE PATCHES FOR DYNAMIC ORGANS Non-Final OA THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
18836156 COMPOSITIONS AND METHODS FOR ENHANCED DRUG LOADING OF LONG-ACTING IN SITU FORMING IMPLANTS AND USES THEREOF Non-Final OA The University of North Carolina at Chapel Hill
17801705 EUTECTIC BASED ANESTHETIC COMPOSITIONS AND APPLICATIONS THEREOF Non-Final OA The University of North Carolina at Chapel Hill
18505079 MICROCAPSULE AND PREPARATION METHOD AND USE THEREOF Final Rejection KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18278677 COATED MEDICAL DEVICE AND PRODUCTION METHOD THEREFOR Non-Final OA TORAY Industries, Inc.
18639950 METHOD OF USING/APPLYING A KERATIN HYDROLYSIS PEPTIDE SOLUTION TO PROMOTE THE GERMINATION AND GROWTH OF SOYBEANS Non-Final OA CH Biotech R&D Co., Ltd.
17298272 USE OF CYAMOPSIS TETRAGONOLOBA (GUAR) GUM FOR MICROORGANISMS GROWTH Non-Final OA SPECIALTY OPERATIONS FRANCE

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Frequently Asked Questions

What is examiner Susannah Sipple Armstrong's allowance rate?

30.0% of resolved applications examined by Susannah Sipple Armstrong were allowed (30 resolved cases), compared with 24.5% across Art Unit 1616 over the last five years.

Does an interview help with examiner Susannah Sipple Armstrong?

This examiner's interview lift is +53.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Susannah Sipple Armstrong take to allow a patent?

Applications allowed by Susannah Sipple Armstrong took 1,175 days on average from filing to allowance.

Which art unit does examiner Susannah Sipple Armstrong work in?

Susannah Sipple Armstrong examines applications in Art Unit 1616 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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