Prosecution Insights
Last updated: October 26, 2026

Christopher D Birkhimer, USPTO Patent Examiner

Listed by the USPTO as BIRKHIMER, CHRISTOPHER D

Tech Center 2100 • Art Units: 2136 2138 2186

This examiner grants 75% of resolved cases

Analysis

BIRKHIMER, CHRISTOPHER D has 520 resolved cases in technology center 2100 and art unit 2136. The allowance rate is 74.6%, with a median of 1130 days to allowance.

Interview lift is 7.9%, indicating a positive association with allowance. The listed companies are Micron Technology Inc., Samsung Electronics Co., Ltd., and Huawei Technologies Co., Ltd. The listed firms include BROOKS, CAMERON & HUEBSCH, PLLC, CONLEY ROSE, P.C., and Daylight Law, P.C. Interviews may support prosecution, although the recorded association is limited.

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

Performance Statistics

74.6%
Allow Rate
+19.6% vs TC avg
545
Total Applications
+7.9%
Interview Lift
1130
Avg Prosecution Days
Based on 520 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
19.7%
§102 Novelty
45.0%
§103 Obviousness
26.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18814996 MEMORY SYSTEM, METHOD, AND MEMORY DEVICE WITH OFFLOADING OF COMPRESSED DATA Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19094826 INTELLIGENT DEVICE CONTROL METHOD, ELECTRONIC DEVICE, AND SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18890570 OPTIMIZING DATA SEGMENT STORAGE USING DIFFERENT PROGRAMMING MODES Final Rejection PURE STORAGE, INC.
17997400 TRAINING USER AUTHENTICATION MODELS WITH FEDERATED LEARNING Final Rejection QUALCOMM Incorporated
18791179 HIGH RELIABILITY MEDIA MANAGEMENT OPERATIONS Final Rejection Micron Technology, Inc.
18789665 STORAGE OF DATA USING RETIRED MEMORY ROWS Non-Final OA Micron Technology, Inc.
18781102 TRACKING LATCH UPSET EVENTS USING BLOCK STATUS DATA Non-Final OA Micron Technology, Inc.
18965499 NAND RAID CONTROLLER INCLUDING BUFFER AND METHOD PERFORMED BY THE NAND RAID CONTROLLER Final Rejection Kioxia Corporation
17743340 APPLICATION PROGRAMMING INTERFACE TO DECOMPRESS DATA Non-Final OA NVIDIA Corporation
18751088 Intelligent, Predictive Memory Management System and Method Non-Final OA MEXT Corporation

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Frequently Asked Questions

What is examiner Christopher D Birkhimer's allowance rate?

74.6% of resolved applications examined by Christopher D Birkhimer were allowed (520 resolved cases), compared with 72.1% across Art Unit 2136 over the last five years.

Does an interview help with examiner Christopher D Birkhimer?

This examiner's interview lift is +7.9 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 D Birkhimer take to allow a patent?

Applications allowed by Christopher D Birkhimer took 1,130 days on average from filing to allowance.

Which art unit does examiner Christopher D Birkhimer work in?

Christopher D Birkhimer examines applications in Art Unit 2136 in Tech Center 2100 (Computing & Software).

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