Prosecution Insights
Last updated: October 27, 2026

Christle I Marshall, USPTO Patent Examiner

Listed by the USPTO as MARSHALL, CHRISTLE I

Tech Center 2800 • Art Units: 1755 2833 2876 2887

This examiner grants 80% of resolved cases

Analysis

MARSHALL, CHRISTLE I is assigned to tech center 2800 and art unit 1755. The profile includes 811 resolved cases, an 80.0% allowance rate, and a 14.5% interview lift. The median time to allowance is 736 days, providing a relatively short timing reference within the available profile data.

Listed companies include Capital One Services LLC, Toyota Motor Corporation, and Kabushiki Kaisha Toshiba. Listed firms include AMIN, TUROCY & WATSON, LLP, Bayramoglu Law Offices LLC, and SoraIP, Inc. Applicants may use the allowance record as a baseline while assessing whether an interview is warranted.

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

Performance Statistics

80.0%
Allow Rate
+12.0% vs TC avg
830
Total Applications
+14.5%
Interview Lift
736
Avg Prosecution Days
Based on 811 resolved cases, 2023–2026

Rejection Statute Breakdown

6.9%
§101 Eligibility
33.9%
§102 Novelty
33.3%
§103 Obviousness
10.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19369593 SYSTEM, METHOD, AND APPARATUS FOR UPDATING AN EXISTING DYNAMIC TRANSACTION CARD Final Rejection Capital One Services, LLC
18474521 CHARGING CONTROL DEVICE AND CHARGING CONTROL METHOD Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19049177 PRINTER Final Rejection TOSHIBA TEC KABUSHIKI KAISHA
18400161 Wireless Power Transfer Apparatus, Charger, and Terminal Device Non-Final OA Huawei Technologies Co., Ltd.
19117748 CARD WITH MAGNET ARRAY Final Rejection Visa International Service Association
18228908 CHARGING SYSTEM FOR NON-ROAD ELECTRIC VEHICLE Non-Final OA Caterpillar Inc.
18608672 CHARGING SYSTEM AND METHOD Non-Final OA Cypress Semiconductor Corporation
19283069 GAMES, PRIZES, AND ENTERTAINMENT FOR POWERED CARDS AND DEVICES Non-Final OA DYNAMICS INC.
18502047 POWER SUPPLY UNIT FOR AEROSOL GENERATION DEVICE Non-Final OA Japan Tobacco Inc.

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Frequently Asked Questions

What is examiner Christle I Marshall's allowance rate?

80.0% of resolved applications examined by Christle I Marshall were allowed (811 resolved cases), compared with 43.0% across Art Unit 1755 over the last five years.

Does an interview help with examiner Christle I Marshall?

This examiner's interview lift is +14.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christle I Marshall take to allow a patent?

Applications allowed by Christle I Marshall took 736 days on average from filing to allowance.

Which art unit does examiner Christle I Marshall work in?

Christle I Marshall examines applications in Art Unit 1755 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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