Prosecution Insights
Last updated: October 26, 2026

Francis C Gray, USPTO Patent Examiner

Listed by the USPTO as GRAY, FRANCIS C

Tech Center 3700 • Art Units: 2852 3784

This examiner grants 91% of resolved cases

Analysis

GRAY, FRANCIS C is a USPTO patent examiner in Tech Center 3700 and art unit 2852. The profile contains 1031 resolved cases, with an allowance rate of 90.9% and a median of 726 days to allowance. Interviews show a lift of 7.4%, indicating a modest positive association with allowance compared with the overall allowance result.

The leading companies are Canon Inc., Kyocera Document Solutions Inc., and Yokogawa Electric Corporation. The listed firms are Alleman Hall LLP and Conley Rose, P.C. The extensive record and shorter median time provide useful historical context for prosecution planning, while the interview figure suggests that interviews may help resolve issues without being the primary driver of allowance.

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

Performance Statistics

90.9%
Allow Rate
+20.9% vs TC avg
1,039
Total Applications
+7.4%
Interview Lift
726
Avg Prosecution Days
Based on 1031 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
47.8%
§102 Novelty
32.4%
§103 Obviousness
11.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19418049 CHARGE REMOVAL APPARATUS AND IMAGE FORMING SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
19396147 SHEET FEED CONTROL SYSTEM AND SHEET FEED CONTROL METHOD Non-Final OA KYOCERA Document Solutions Inc.

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Frequently Asked Questions

What is examiner Francis C Gray's allowance rate?

90.9% of resolved applications examined by Francis C Gray were allowed (1,031 resolved cases), compared with 78.8% across Art Unit 2852 over the last five years.

Does an interview help with examiner Francis C Gray?

This examiner's interview lift is +7.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Francis C Gray take to allow a patent?

Applications allowed by Francis C Gray took 726 days on average from filing to allowance.

Which art unit does examiner Francis C Gray work in?

Francis C Gray examines applications in Art Unit 2852 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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