Prosecution Insights
Last updated: October 26, 2026

Akhee Sarker-Nag, USPTO Patent Examiner

Listed by the USPTO as SARKER-NAG, AKHEE

Tech Center 2800 • Art Units: 2891 2893

This examiner grants 82% of resolved cases

Analysis

SARKER-NAG, AKHEE examines in Tech Center 2800 and Art Unit 2891. The profile records 72 resolved cases, an 81.9% allowance rate, and a 12.0% interview lift. Median time to allowance is 1250 days. The limited case history makes the figures directional, but they still provide an initial basis for timing and prosecution planning.

Listed companies include Taiwan Semiconductor Manufacturing Company, Ltd., Samsung Electronics Co., Ltd., and International Business Machines Corporation. Listed firms are JCIPRNET, SUGHRUE MION, PLLC, and Arcane Law PLLC. Counsel can use these names to locate relevant semiconductor and computing experience in the Art Unit.

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

Performance Statistics

81.9%
Allow Rate
+13.9% vs TC avg
110
Total Applications
+12.0%
Interview Lift
1250
Avg Prosecution Days
Based on 72 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.8%
§102 Novelty
62.4%
§103 Obviousness
15.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18775867 SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18422924 INTEGRATED CIRCUIT INCLUDING BACKSIDE WIRING AND METHOD OF DESIGNING THE INTEGRATED CIRCUIT Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18223649 IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18900273 SEMICONDUCTOR DEVICE Non-Final OA FUJI ELECTRIC CO., LTD.
18334968 SEMICONDUCTOR APPARATUS, METHOD FOR MANUFACTURING SEMICONDUCTOR APPARATUS, EQUIPMENT, AND SUBSTRATE Final Rejection CANON KABUSHIKI KAISHA
18744207 LIGHT EMITTING ELEMENT AND DISPLAY DEVICE COMPRISING THE SAME Non-Final OA LG Display Co., Ltd.
18630712 TRENCH SHIELDING WITH PHOTOIMAGEABLE DIELECTRIC (PID) MATERIAL Non-Final OA QUALCOMM Incorporated
17992057 BACKSIDE CONTACTED SUB-FIN DIODES Non-Final OA Intel Corporation
17691213 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
17674219 Memory Arrays Comprising Strings Of Memory Cells And Methods Used In Forming A Memory Array Comprising Strings Of Memory Cells Non-Final OA Micron Technology, Inc.
18595717 BACKSIDE POWER DISTRIBUTION NETWORK Non-Final OA International Business Machines Corporation
18474574 GATE METAL JUMPER IN STACKED FET SRAM Non-Final OA International Business Machines Corporation
18782415 GATE-ALL-AROUND HIGH-DENSITY AND HIGH-SPEED SRAM CELLS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18779844 DOPED SEMICONDUCTOR STRUCTURE FOR NIR SENSORS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18395728 SEMICONDUCTOR DEVICE FOR HIGH-VOLTAGE APPLICATION Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18567964 SEMICONDUCTOR DEVICE, DISPLAY PANEL AND CHIP Non-Final OA WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
17667432 METHODS AND SYSTEMS FOR FABRICATION OF VERTICAL FIN-BASED JFETS Non-Final OA SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC

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Frequently Asked Questions

What is examiner Akhee Sarker-Nag's allowance rate?

81.9% of resolved applications examined by Akhee Sarker-Nag were allowed (72 resolved cases), compared with 69.5% across Art Unit 2891 over the last five years.

Does an interview help with examiner Akhee Sarker-Nag?

This examiner's interview lift is +12.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Akhee Sarker-Nag take to allow a patent?

Applications allowed by Akhee Sarker-Nag took 1,250 days on average from filing to allowance.

Which art unit does examiner Akhee Sarker-Nag work in?

Akhee Sarker-Nag examines applications in Art Unit 2891 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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