Prosecution Insights
Last updated: October 27, 2026

Christopher A Culbert, USPTO Patent Examiner

Listed by the USPTO as CULBERT, CHRISTOPHER A

Tech Center 2800 • Art Units: 2815 2859

This examiner grants 42% of resolved cases

Analysis

CULBERT, CHRISTOPHER A is assigned to Tech Center 2800 and art unit 2815. The profile records 349 resolved cases, an allowance rate of 42.4%, and a median of 1331 days to allowance. Interviews correspond to a 7.5% lift, so an interview is a relevant but not dispositive consideration for prosecution planning.

The listed companies are Taiwan Semiconductor Manufacturing Company, Ltd., Samsung Display Co., Ltd., and Raynergy Tek Incorporation. The listed firms are JCIPRNET, WPAT, PC, and Banner Witcoff (Intel). The case history supports careful attention to claim scope and response sequencing, while the median timing indicates that applicants should account for a lengthy path to allowance in docket planning.

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

Performance Statistics

42.4%
Allow Rate
-25.6% vs TC avg
424
Total Applications
+7.5%
Interview Lift
1331
Avg Prosecution Days
Based on 349 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
16.1%
§102 Novelty
59.0%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17798664 SUBSTRATE FOR MANUFACTURING DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR Final Rejection LG ELECTRONICS INC.
17944511 DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME Final Rejection Samsung Display Co., LTD.
17573596 DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA Samsung Display Co., LTD.
16057819 ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF Non-Final OA Samsung Display Co., Ltd.
17942510 SEMICONDUCTOR DEVICE Final Rejection TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
17485398 MICRO LED LASER RELEASE FROM SILICON WAFER Final Rejection Intel Corporation
17650445 INKJET RECORDING MEDIUM FOR ORGANIC SEMICONDUCTOR DEVICE, MEMBER FOR ORGANIC SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD FOR ORGANIC SEMICONDUCTOR DEVICE Final Rejection Konica Minolta, Inc.
15426942 BONDED STRUCTURES WITH INTEGRATED PASSIVE COMPONENT Non-Final OA ADEIA SEMICONDUCTOR BONDING TECHNOLOGIES INC.
17848107 MEMORY DEVICE HAVING CONTROL GATE DIELECTRIC STRUCTURE WITH DIFFERENT DIELECTRIC MATERIALS Non-Final OA Micron Technology, Inc
17896081 MEMORY DEVICE AND METHOD OF MAKING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18781018 Metal Contacts on Metal Gates and Methods Thereof Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
17001446 Metal Contacts on Metal Gates and Methods Thereof Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
16655156 CONDUCTIVE STRUCTURE, SEMICONDUCTOR PACKAGE AND METHODS OF FORMING THE SAME Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
16283838 SEMICONDUCTOR DEVICE AND METHODS OF FORMING THE SAME Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
17268461 PEROVSKITE LIGHT-EMITTING DEVICE COMPRISING PASSIVATION LAYER AND MANUFACTURING METHOD THEREFOR Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
17764998 FLEXIBLE DISPLAY PANEL AND MANUFACTURING METHOD THEREOF Non-Final OA Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
17891113 METHOD FOR FABRICATING SEMICONDUCTOR STRUCTURE AND STRUCTURE THEREOF Final Rejection CHANGXIN MEMORY TECHNOLOGIES, INC.

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Frequently Asked Questions

What is examiner Christopher A Culbert's allowance rate?

42.4% of resolved applications examined by Christopher A Culbert were allowed (349 resolved cases), compared with 61.3% across Art Unit 2815 over the last five years.

Does an interview help with examiner Christopher A Culbert?

This examiner's interview lift is +7.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher A Culbert take to allow a patent?

Applications allowed by Christopher A Culbert took 1,331 days on average from filing to allowance.

Which art unit does examiner Christopher A Culbert work in?

Christopher A Culbert examines applications in Art Unit 2815 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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