Prosecution Insights
Last updated: October 26, 2026

Kenneth Mark Sipling, USPTO Patent Examiner

Listed by the USPTO as SIPLING, KENNETH MARK

Tech Center 4100 • Art Units: 2818 4100

This examiner grants 75% of resolved cases

Analysis

Kenneth Mark Sipling is an examiner in Tech Center 4100 and Art Unit 2818. The data includes 12 resolved cases, which show an allowance rate of 75.0 percent. This rate indicates that applications have a high probability of reaching allowance under this examiner's review. The median days to allowance is 1283, establishing the typical timeframe for applicants in this art unit.

An interview lift of 16.7 percent suggests that verbal discussions provide a helpful boost to the 75.0 percent baseline allowance rate. Practitioners should consider this lift when deciding whether to engage in direct dialogue to resolve outstanding rejections. The 1283-day median duration provides a standard for planning prosecution strategies.

Major technology companies such as Samsung Electronics Co., Ltd., Intel Corporation, and International Business Machines Corporation are represented in the examiner's caseload. These applicants work with firms like Alliance IP, LLC - Intel, Arcane Law PLLC, and Crowell. While the 12 resolved cases represent a smaller sample, the 75.0 percent allowance rate provides a positive outlook for future filings.

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

Performance Statistics

75.0%
Allow Rate
+15.0% vs TC avg
59
Total Applications
+16.7%
Interview Lift
1283
Avg Prosecution Days
Based on 12 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.3%
§102 Novelty
63.3%
§103 Obviousness
14.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18823171 FAN-OUT LEVEL SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18364521 SEMICONDUCTOR DEVICE Final Rejection Samsung Electronics Co., Ltd.
18499136 LIGHT EMITTING ELEMENT, MANUFACTURING METHOD OF LIGHT EMITTING ELEMENT, AND DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
17940194 EPITAXIAL REGIONS EXTENDING BETWEEN INNER GATE SPACERS Final Rejection Intel Corporation
17849207 MICROELECTRONIC DIE WITH TWO DIMENSIONAL (2D) COMPLEMENTARY METAL OXIDE SEMICONDUCTOR DEVICES IN AN INTERCONNECT STACK THEREOF Final Rejection Intel Corporation
18338383 FORK SHEET DEVICE Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18335691 FUNNELED SOURCE/DRAIN INTERFACIAL REGION Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18066671 STRUCTURE AND METHOD TO FORM VIA TO BACKSIDE POWER RAIL WITHOUT SHORTING TO GATE TIP Final Rejection International Business Machines Corporation
18327082 SEMICONDUCTOR DEVICES Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.

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Frequently Asked Questions

What is examiner Kenneth Mark Sipling's allowance rate?

75.0% of resolved applications examined by Kenneth Mark Sipling were allowed (12 resolved cases), compared with 85.2% across Art Unit 2818 over the last five years.

Does an interview help with examiner Kenneth Mark Sipling?

This examiner's interview lift is +16.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kenneth Mark Sipling take to allow a patent?

Applications allowed by Kenneth Mark Sipling took 1,283 days on average from filing to allowance.

Which art unit does examiner Kenneth Mark Sipling work in?

Kenneth Mark Sipling examines applications in Art Unit 2818 in Tech Center 4100.

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