Prosecution Insights
Last updated: October 27, 2026

Sarah Clinkscales Wistner, USPTO Patent Examiner

Listed by the USPTO as WISTNER, SARAH CLINKSCALES

Tech Center 1600 • Art Units: 1616

This examiner grants 27% of resolved cases

Analysis

WISTNER, SARAH CLINKSCALES has resolved 30 cases in tech center 1600 and art unit 1616. The allowance rate is 26.7%, and the median time to allowance is 1310 days. The interview lift is 73.0%, a strong positive association despite the low allowance rate.

The listed companies are L’Oréal, The Procter & Gamble Company, and Boston Scientific Corporation. The listed firms are Meagher Emanuel Laks Goldberg & Liao, LLP, Abel Schillinger, LLP, and DILWORTH & BARRESE, LLP. The small case history limits generalization, but the interview figure supports considering examiner interviews as a central part of application-specific strategy.

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

Performance Statistics

26.7%
Allow Rate
-33.3% vs TC avg
88
Total Applications
+73.0%
Interview Lift
1310
Avg Prosecution Days
Based on 30 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
15.5%
§102 Novelty
34.0%
§103 Obviousness
26.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19083627 HEMOSTATIC COMPOSITIONS AND RELATED METHODS Non-Final OA Boston Scientific Scimed, Inc.
18618015 LIQUID EMBOLIC MATERIALS Final Rejection Boston Scientific Scimed, Inc.
19062173 PERSONAL CARE COMPOSITIONS CONTAINING TAILORED MONOLIPID-RHAMNOLIPIDS AND SULFATE-FREE SURFACTANTS Non-Final OA The Procter & Gamble Company
18755808 Oral Care Compositions Comprising Hops Beta Acids And Tin Final Rejection The Procter & Gamble Company
17874589 PERSONAL CARE COMPOSITION Non-Final OA The Procter & Gamble Company
17979134 SYNTHETIC SURGICAL HEMOSTAT Final Rejection BAXTER HEALTHCARE SA
18265721 C13 - HYDROCARBON MIXTURE AND USE THEREOF Final Rejection BASF SE
17780015 METHOD FOR IMPROVING THE TACTILE SENSATION OF DYED KERATINOUS MATERIAL, ESPECIALLY HUMAN HAIR Final Rejection Henkel AG & Co. KGaA
18613825 FLUORAPATITE GLASS-CERAMICS Final Rejection CORNING INCORPORATED
18770842 COMPOSITION FOR SOLID DISPERSION, SOLID DISPERSION, AND METHOD OF MANUFACTURING THE SOLID DISPERSION Non-Final OA Shin-Etsu Chemical Co., Ltd.
19002887 NOVEL PHOTONIC CRYSTAL PROTEINS FROM ATRINA SP. BYSSUS AND USES THEREOF Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
19050493 RESIN PARTICLES AND COSMETIC PREPARATION Non-Final OA FUJIFILM BUSINESS INNOVATION CORP.
18618199 LONG-WEAR COMPOSITIONS Final Rejection L'OREAL
18253667 COMPOSITION COMPRISING A PARTICULAR OXIDATION DYEING BASE, AT LEAST ONE GUAR GUM AND AT LEAST ONE FATTY SUBSTANCE Non-Final OA L'Oreal
18041744 STABLE COMPOSITION COMPRISING POLYDATIN Final Rejection L'OREAL
18071946 HAIR REMOVAL POLYMERIZATION SYSTEM AND METHOD Non-Final OA L'OREAL
17788271 FIBER TREATMENT AGENT COMPOSITION Final Rejection KAO CORPORATION
17855702 DOUBLE-LAYERED MEDICAL MEMBRANE AND METHOD FOR MANUFACTURING THE SAME Final Rejection NAN YA PLASTICS CORPORATION
18276518 MEDICAMENT FOR PREVENTION AND TREATMENT OF HYPERPIGMENTATION Final Rejection SYMRISE AG

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Frequently Asked Questions

What is examiner Sarah Clinkscales Wistner's allowance rate?

26.7% of resolved applications examined by Sarah Clinkscales Wistner were allowed (30 resolved cases), compared with 24.5% across Art Unit 1616 over the last five years.

Does an interview help with examiner Sarah Clinkscales Wistner?

This examiner's interview lift is +73.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sarah Clinkscales Wistner take to allow a patent?

Applications allowed by Sarah Clinkscales Wistner took 1,310 days on average from filing to allowance.

Which art unit does examiner Sarah Clinkscales Wistner work in?

Sarah Clinkscales Wistner examines applications in Art Unit 1616 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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