Prosecution Insights
Last updated: October 27, 2026

Brandon C Fox, USPTO Patent Examiner

Listed by the USPTO as FOX, BRANDON C

Tech Center 2800 • Art Units: 2818

This examiner grants 86% of resolved cases

Analysis

Brandon C. Fox serves in Art Unit 2818 of Tech Center 2800. The examiner has resolved 824 cases with a high allowance rate of 85.7 percent. The median time to reach an allowance is 864 days, reflecting an efficient prosecution cycle for many applicants.

The interview lift is 10.1 percent. This indicates that interviews provide a positive impact on prosecution outcomes, even with a strong baseline allowance rate of 85.7 percent. Practitioners can use interviews to refine claims and maintain the efficiency suggested by the 864-day median pendency.

Major companies in the examiner's docket include Taiwan Semiconductor Manufacturing Company, Ltd., Samsung Electronics Co., Ltd., and Intel Corporation. The top firms representing these applicants are THE MARBURY LAW GROUP, PLLC, AGORA LAW GROUP, PLLC, and Akona IP PC - Intel. These firms handle a large share of the 824 cases.

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

Performance Statistics

85.7%
Allow Rate
+17.7% vs TC avg
854
Total Applications
+10.1%
Interview Lift
864
Avg Prosecution Days
Based on 824 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
31.1%
§102 Novelty
60.0%
§103 Obviousness
6.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18796804 INTERCONNECT STRUCTURE AND ELECTRONIC DEVICE INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18752950 INTEGRATED CIRCUIT DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18427470 SEMICONDUCTOR PACKAGE AND FABRICATING METHOD OF SEMICONDUCTOR PACKAGE Final Rejection Samsung Electronics Co., Ltd.
18427741 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18006569 PHOTOELECTRIC CONVERSION ELEMENT AND IMAGING DEVICE Final Rejection SONY GROUP CORPORATION
18345437 PACKAGING ARCHITECTURE FOR WAFER-SCALE KNOWN-GOOD-DIE HYBRID BONDING Non-Final OA Intel Corporation
18214262 INTEGRATED CIRCUIT STRUCTURE WITH BACKSIDE SOURCE OR DRAIN CONTACT SELECTIVITY Non-Final OA Intel Corporation
18888811 MULTI-DIE-TO-WAFER HYBRID BONDING Non-Final OA Murata Manufacturing Co., Ltd.
18651909 SEMICONDUCTOR DEVICE Non-Final OA IDEMITSU KOSAN CO., LTD.
18582323 ELECTROCHEMICAL MEMORY CELL, NEURAL NETWORK MEMORY INCLUDING THE ELECTROCHEMICAL MEMORY CELL Final Rejection SK hynix Inc.
18462824 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA ROHM CO., LTD.
18775939 SEMICONDUCTOR MEMORY DEVICES AND METHODS OF MANUFACTURING THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18773250 SEMICONDUCTOR DEVICE AND METHOD OF MAKING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
17721723 Semiconductor Structure And Method For Forming The Same Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18788082 ORGANIC GATE TFT-TYPE STRESS SENSORS AND METHOD OF MAKING AND USING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18304533 SPREADER CONFIGURATION FOR PHASE CHANGE MATERIAL (PCM) SWITCH AND METHODS OF FORMING THE SAME Final Rejection Taiwan Semiconductor Manufacturing Company Limited
18147999 SEMICONDUCTOR DEVICE AND BIDIRECTIONAL ESD PROTECTION DEVICE COMPRISING THE SAME Non-Final OA NEXPERIA B.V.

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Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Brandon C Fox's allowance rate?

85.7% of resolved applications examined by Brandon C Fox were allowed (824 resolved cases), compared with 85.2% across Art Unit 2818 over the last five years.

Does an interview help with examiner Brandon C Fox?

This examiner's interview lift is +10.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brandon C Fox take to allow a patent?

Applications allowed by Brandon C Fox took 864 days on average from filing to allowance.

Which art unit does examiner Brandon C Fox work in?

Brandon C Fox examines applications in Art Unit 2818 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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