Prosecution Insights
Last updated: October 01, 2026

Examiner: MARSHALL, CHRISTLE I

Tech Center 2800 • Art Units: 1755 2833 2876 2887

This examiner grants 80% of resolved cases

Analysis

Christle I. Marshall has resolved 809 cases in Art Unit 1755 of Tech Center 2800. Her allowance rate is 80.0 percent. This percentage is a primary metric for practitioners to consider when evaluating the examiner's history. The data also shows an interview lift of 14.6 percent. This 14.6 percent lift indicates the change in allowance probability associated with an interview.

The median days to allowance is 736. This 736-day figure represents the duration of the prosecution process for cases that reach a grant. Practitioners should consider the 809 resolved cases as a historical record of the examiner's work. The 80.0 percent allowance rate and 14.6 percent interview lift are components of the examination profile. The median pendency is a factor for managing client expectations.

Direct communication is a documented tactic, as shown by the lift. Applicants should review the allowance rate as they prepare their prosecution strategy. The cases provide a data set for understanding the examiner's approach in Tech Center 2800. The timeline is a measure of the time required to navigate Art Unit 1755 to a successful conclusion.

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
821
Total Applications
+14.6%
Interview Lift
736
Avg Prosecution Days
Based on 809 resolved cases, 2023–2026

Rejection Statute Breakdown

6.9%
§101 Eligibility
33.9%
§102 Novelty
33.3%
§103 Obviousness
9.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18474521 CHARGING CONTROL DEVICE AND CHARGING CONTROL METHOD Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19049177 PRINTER Final Rejection TOSHIBA TEC KABUSHIKI KAISHA
18938556 SHEET STACKING APPARATUS AND IMAGE FORMING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
19117748 CARD WITH MAGNET ARRAY Final Rejection Visa International Service Association
18228908 CHARGING SYSTEM FOR NON-ROAD ELECTRIC VEHICLE Non-Final OA Caterpillar Inc.
18502047 POWER SUPPLY UNIT FOR AEROSOL GENERATION DEVICE Non-Final OA Japan Tobacco Inc.
18279543 Extension Unit for an Aerosol Generation Device, Aerosol Generation Device and System Non-Final OA JT International SA
18385347 ELECTRIC MOTORBIKE WITH WIRELESS CHARGING Non-Final OA EVJAM LLC

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