Prosecution Insights
Last updated: October 27, 2026

Sumaiya A Chowdhury, USPTO Patent Examiner

Listed by the USPTO as CHOWDHURY, SUMAIYA A

Tech Center 2600 • Art Units: 2421 2425 2623

This examiner grants 70% of resolved cases

Analysis

CHOWDHURY, SUMAIYA A is assigned to Tech Center 2600 and Art Unit 2421. The record contains 446 resolved cases, a 69.7% allowance rate, and a median of 1120 days to allowance. Interview lift is 28.6%, indicating a favorable association between interviews and allowance outcomes.

The leading companies are Samsung Electronics Co., Ltd., Sony Group Corporation, and LG Electronics Inc. The principal firms are BakerHostetler, HARNESS, DICKEY & PIERCE, P.L.C., and HAUPTMAN HAM, LLP. The interview measure supports active examiner engagement, while the median timing calls for realistic planning around continued examination and claim refinement.

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

Performance Statistics

69.7%
Allow Rate
+7.7% vs TC avg
465
Total Applications
+28.6%
Interview Lift
1120
Avg Prosecution Days
Based on 446 resolved cases, 2023–2026

Rejection Statute Breakdown

12.1%
§101 Eligibility
17.9%
§102 Novelty
54.7%
§103 Obviousness
7.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18876406 DISPLAY DEVICE AND METHOD FOR CONFIGURING IMAGE QUALITY OF SAME Non-Final OA LG ELECTRONICS INC.
19293855 ELECTRONIC DEVICE AND OPERATION METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
18742494 METHOD AND APPARATUS FOR GENERATING A NOISE-RESILIENT MACHINE LEARNING MODEL Non-Final OA Samsung Electronics Co., Ltd.
19150177 INFORMATION PRESENTATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND COMPUTER-READABLE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18830140 METHOD FOR DETERMINING LIVE STREAMING DELAY, TERMINAL DEVICE, AND STORAGE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19148589 AN INFORMATION PROCESSING DEVICE, METHOD AND COMPUTER PROGRAM Final Rejection Sony Group Corporation
19143198 INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD Non-Final OA Sony Group Corporation
18704734 Method for managing access to a content item to be read of a multimedia content item Final Rejection ORANGE
19034283 METHOD AND DEVICE FOR OFF-DEMAND BASED CONTENT DOWNLOADING Final Rejection SK Telecom Co., Ltd.
19174045 BROADCAST RECEIVING APPARATUS Non-Final OA MAXELL, LTD.

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Frequently Asked Questions

What is examiner Sumaiya A Chowdhury's allowance rate?

69.7% of resolved applications examined by Sumaiya A Chowdhury were allowed (446 resolved cases), compared with 66.7% across Art Unit 2421 over the last five years.

Does an interview help with examiner Sumaiya A Chowdhury?

This examiner's interview lift is +28.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sumaiya A Chowdhury take to allow a patent?

Applications allowed by Sumaiya A Chowdhury took 1,120 days on average from filing to allowance.

Which art unit does examiner Sumaiya A Chowdhury work in?

Sumaiya A Chowdhury examines applications in Art Unit 2421 in Tech Center 2600 (Communications).

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