Prosecution Insights
Last updated: October 26, 2026

Quan L Pham, USPTO Patent Examiner

Listed by the USPTO as PHAM, QUAN L

Tech Center 2600 • Art Units: 2637 2662 2696 2697

This examiner grants 70% of resolved cases

Analysis

PHAM, QUAN L is a USPTO patent examiner in tech center 2600 and art unit 2637. The profile includes 503 resolved cases, an allowance rate of 69.6%, and a median of 871 days to allowance. The interview lift is 28.1%, which indicates a positive relationship between interview activity and allowance outcomes in the reported cases.

The listed companies are Canon Inc., Samsung Electronics Co., Ltd., and Apple Inc. The listed firms are SUGHRUE MION, PLLC, CKC & Partners Co., LLC, and FENWICK & WEST LLP. Practitioners can treat the allowance rate as a central indicator when setting expectations, and the interview measure supports preparing for substantive examiner dialogue alongside written claim amendments.

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

Performance Statistics

69.6%
Allow Rate
+7.6% vs TC avg
540
Total Applications
+28.1%
Interview Lift
871
Avg Prosecution Days
Based on 503 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
24.6%
§102 Novelty
44.1%
§103 Obviousness
24.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18155596 IMAGING APPARATUS COMPRISING AN OBSERVATION UNIT INCLUDING A DISPLAY DEVICE AND AN OBSERVATION OPTICAL SYSTEM AND PROGRAM USED IN AN IMAGING APPARATUS Final Rejection FUJIFILM Corporation
19255479 IMAGE SENSOR PROCESSING MERGED IMAGE AND IMAGE PROCESSING SYSTEM COMPRISING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19230998 CAMERA LENS MODULE AND ELECTRONIC DEVICE INCLUDING SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18474123 Sensor Shift Assembly for Camera Module Non-Final OA Apple Inc.
19242148 APPARATUS, LENS APPARATUS, IMAGE PICKUP APPARATUS, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18943100 IMAGE SENSOR AND IMAGE CAPTURING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18794076 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18862913 EFFECT VIDEO GENERATION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM Final Rejection Beijing Zitiao Network Technology Co., Ltd.
18724891 IMAGING DEVICE, METHOD OF CONTROLLING IMAGING DEVICE, AND PROGRAM Final Rejection Sony Group Corporation
18016629 METHOD FOR CAPTURING IMAGE DURING VIDEO RECORDING AND ELECTRONIC DEVICE Final Rejection Honor Device Co., Ltd.
18667390 APPARATUS, SYSTEM AND METHOD OF ACQUIRING IMAGE FOR MOBILITY Non-Final OA Kia Corporation
18648490 IMAGE SENSOR CONTROL METHOD AND IMAGE CAPTURING DEVICE Non-Final OA MEDIATEK INC.
18408379 IMAGE SENSING DEVICE Final Rejection SK hynix Inc.
18601362 AUTOFOCUS ADJUSTMENT METHOD AND CAMERA DEVICE USING SAME Non-Final OA HANWHA VISION CO., LTD.
19216516 CAMERA LENS SYSTEM FILTER Non-Final OA Panavision International, L.P.

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Frequently Asked Questions

What is examiner Quan L Pham's allowance rate?

69.6% of resolved applications examined by Quan L Pham were allowed (503 resolved cases), compared with 81.3% across Art Unit 2637 over the last five years.

Does an interview help with examiner Quan L Pham?

This examiner's interview lift is +28.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Quan L Pham take to allow a patent?

Applications allowed by Quan L Pham took 871 days on average from filing to allowance.

Which art unit does examiner Quan L Pham work in?

Quan L Pham examines applications in Art Unit 2637 in Tech Center 2600 (Communications).

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