Prosecution Insights
Last updated: October 26, 2026

Quana M Grainger, USPTO Patent Examiner

Listed by the USPTO as GRAINGER, QUANA M

Tech Center 2800 • Art Units: 2852

This examiner grants 89% of resolved cases

Performance Statistics

88.9%
Allow Rate
+20.9% vs TC avg
1,215
Total Applications
-3.7%
Interview Lift
752
Avg Prosecution Days
Based on 1176 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
42.9%
§102 Novelty
46.7%
§103 Obviousness
8.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19229156 IMAGE-FORMING APPARATUS INCLUDING OPERATING MEMBER DISPOSED ON MOVABLE COVER FOR OPENING AND CLOSING SHUTTER OF TONER CONTAINER Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
19184993 IMAGE FORMING DEVICE, PROCESS CARTRIDGE, AND DEVELOPER CARTRIDGE Non-Final OA Brother Kogyo Kabushiki Kaisha
19338402 IMAGE FORMING SYSTEM AND IMAGE READING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19310487 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19306802 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19265704 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19256664 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19225221 IMAGE FORMING APPARATUS INCLUDING PLURALITY OF PHOTORECEPTORS Non-Final OA CANON KABUSHIKI KAISHA
19085173 INFORMATION PROCESSING APPARATUS AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18949821 HEATER, FIXING APPARATUS, AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18811932 CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING A RECESSED BACKGROUND WITH TRADEMARK CHARACTER OR LOGO THAT IS RECESSED OR RAISED FROM THE RECESSED BACKGROUND Non-Final OA CANON KABUSHIKI KAISHA
19047478 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS Final Rejection KYOCERA Document Solutions Inc.

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Frequently Asked Questions

What is examiner Quana M Grainger's allowance rate?

88.9% of resolved applications examined by Quana M Grainger were allowed (1,176 resolved cases), compared with 78.8% across Art Unit 2852 over the last five years.

Does an interview help with examiner Quana M Grainger?

This examiner's interview lift is -3.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Quana M Grainger take to allow a patent?

Applications allowed by Quana M Grainger took 752 days on average from filing to allowance.

Which art unit does examiner Quana M Grainger work in?

Quana M Grainger examines applications in Art Unit 2852 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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