Prosecution Insights
Last updated: October 26, 2026

William R Korzuch, USPTO Patent Examiner

Listed by the USPTO as KORZUCH, WILLIAM R

Tech Center 2400 • Art Units: 2400 2431 2491

This examiner grants 75% of resolved cases

Analysis

KORZUCH, WILLIAM R is assigned to tech center 2400 and art unit 2400. The profile contains 4 resolved cases, with an allowance rate of 75.0%, a 0.0% interview lift, and a median of 1213 days to allowance. The limited case volume makes the allowance and timing figures a narrow historical sample rather than a broad prosecution pattern.

The record includes Samsung Electronics Co., Ltd., Wells Fargo Bank, N.A., and Beijing Zitiao Network Technology Co., Ltd. Byrne Poh LLP, FENWICK & WEST LLP, and FIG. 1 Patents are the listed firms. Because the interview lift is 0.0%, the available data does not show a measurable difference associated with interviews. Practitioners should treat the profile as an initial reference point and give substantial weight to the specific application and claim issues presented.

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

Performance Statistics

75.0%
Allow Rate
+17.0% vs TC avg
18
Total Applications
+0.0%
Interview Lift
1213
Avg Prosecution Days
Based on 4 resolved cases, 2023–2026

Rejection Statute Breakdown

6.6%
§101 Eligibility
21.3%
§102 Novelty
45.9%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18954132 ELECTRONIC DEVICE INCLUDING CACHE MEMORY AND OPERATING METHOD THEREOF Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18929346 SYSTEMS AND METHODS FOR PROTECTING THE IDENTITY OF USERS AND ENTITIES Non-Final OA Wells Fargo Bank, N.A.
18849110 TASK ASSOCIATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19107758 DATA COLLECTION AND DISTRIBUTION IN A WIRELESS COMMUNICATION NETWORK Non-Final OA Lenovo (Singapore) Pte. Limited
18790296 METHOD AND APPARATUS FOR LOGIC CELL-BASED PUF GENERATORS Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner William R Korzuch's allowance rate?

75.0% of resolved applications examined by William R Korzuch were allowed (4 resolved cases), compared with 49.8% across Art Unit 2400 over the last five years.

Does an interview help with examiner William R Korzuch?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William R Korzuch take to allow a patent?

Applications allowed by William R Korzuch took 1,213 days on average from filing to allowance.

Which art unit does examiner William R Korzuch work in?

William R Korzuch examines applications in Art Unit 2400 in Tech Center 2400 (Networking & Security).

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