Prosecution Insights
Last updated: October 26, 2026

Kevin Andrew Johnston, USPTO Patent Examiner

Listed by the USPTO as JOHNSTON, KEVIN ANDREW

Tech Center 2800 • Art Units: 2831 2833 2844

This examiner grants 91% of resolved cases

Analysis

Kevin Andrew Johnston is a patent examiner in Tech Center 2800 and Art Unit 2831. He has overseen 205 resolved cases. The data shows an allowance rate of 90.7% for these applications. The median pendency to reach an allowance is 1106 days. An interview lift of 1.9% is recorded, which indicates that the probability of allowance increases when an interview is conducted.

The examiner's top companies include Montres Breguet S.A., Casio Computer Co., Ltd., and Rolex S.A. Legal representation is frequently provided by firms such as OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., SUGHRUE MION, PLLC, and SCULLY SCOTT MURPHY & PRESSER, PC. The 1.9% interview lift suggests that practitioners may use direct engagement to advance prosecution. With 205 resolved cases, the 90.7% allowance rate serves as a benchmark for evaluating outcomes. The 1106 days median pendency provides a timeline for planning prosecution steps in Tech Center 2800. These figures offer a data-grounded view of the examiner's performance.

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

Performance Statistics

90.7%
Allow Rate
+22.7% vs TC avg
224
Total Applications
+1.9%
Interview Lift
1106
Avg Prosecution Days
Based on 205 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
26.2%
§102 Novelty
36.0%
§103 Obviousness
34.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18191014 COUNTING TIMEPIECE DEVICE Non-Final OA ROLEX SA

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Frequently Asked Questions

What is examiner Kevin Andrew Johnston's allowance rate?

90.7% of resolved applications examined by Kevin Andrew Johnston were allowed (205 resolved cases), compared with 72.3% across Art Unit 2831 over the last five years.

Does an interview help with examiner Kevin Andrew Johnston?

This examiner's interview lift is +1.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kevin Andrew Johnston take to allow a patent?

Applications allowed by Kevin Andrew Johnston took 1,106 days on average from filing to allowance.

Which art unit does examiner Kevin Andrew Johnston work in?

Kevin Andrew Johnston examines applications in Art Unit 2831 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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