Prosecution Insights
Last updated: October 27, 2026

Adrienne C Johnstone, USPTO Patent Examiner

Listed by the USPTO as JOHNSTONE, ADRIENNE C

Tech Center 1700 • Art Units: 1747 1749 1791

This examiner grants 63% of resolved cases

Analysis

JOHNSTONE, ADRIENNE C examines in tech center 1700 and art unit 1747. Her profile records 457 resolved cases, an allowance rate of 63.0%, and a median of 1404 days to allowance. The 34.8% interview lift is pronounced in the recorded matters, indicating that interviews may materially improve outcomes when the applicant has a focused response to the examiner's concerns.

Listed companies are Pirelli Tyre S.p.a. and Hankook Tire & Technology Co. Ltd. Listed firms are FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER and Knobbe, Martens, Olson & Bear, LLP. The allowance rate is moderate, while the median timing is extended. Practitioners should prepare for a longer prosecution path and consider using interviews, amendments, and claim differentiation together to address rejections without sacrificing important coverage.

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

Performance Statistics

63.0%
Allow Rate
-2.0% vs TC avg
459
Total Applications
+34.8%
Interview Lift
1404
Avg Prosecution Days
Based on 457 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
17.7%
§102 Novelty
34.3%
§103 Obviousness
39.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17106753 Color-changing tire accordant with external conditions Final Rejection HANKOOK TIRE & TECHNOLOGY CO., LTD.

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Frequently Asked Questions

What is examiner Adrienne C Johnstone's allowance rate?

63.0% of resolved applications examined by Adrienne C Johnstone were allowed (457 resolved cases), compared with 38.3% across Art Unit 1747 over the last five years.

Does an interview help with examiner Adrienne C Johnstone?

This examiner's interview lift is +34.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Adrienne C Johnstone take to allow a patent?

Applications allowed by Adrienne C Johnstone took 1,404 days on average from filing to allowance.

Which art unit does examiner Adrienne C Johnstone work in?

Adrienne C Johnstone examines applications in Art Unit 1747 in Tech Center 1700 (Chemistry & Materials).

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