Prosecution Insights
Last updated: October 26, 2026

Tirone Derek Johnson, USPTO Patent Examiner

Listed by the USPTO as JOHNSON, TIRONE DEREK

Tech Center 1600 • Art Units: 1600 1618 1674 1675

This examiner grants 0% of resolved cases

Analysis

JOHNSON, TIRONE DEREK examines in tech center 1600 and art unit 1600. The profile contains 2 resolved cases, an allowance rate of 0.0%, and a median of 1209 days to allowance. The interview lift is 0.0%, so the recorded matters show no allowance improvement associated with interviews.

The very limited case volume makes these figures an incomplete basis for forecasting future outcomes. The current record nevertheless supports conservative planning, including careful review of the first action, prompt identification of claim weaknesses, and realistic timing expectations. Listed companies include The Brigham and Women's Hospital Inc., Janssen Pharmaceuticals Inc., and Washington University. Listed firms include ARMSTRONG TEASDALE LLP (15060), Baker, Donelson, Bearman, Caldwell & Berkowitz, PC, and Bayramoglu Law Offices LLC.

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

Performance Statistics

0.0%
Allow Rate
-60.0% vs TC avg
32
Total Applications
+0.0%
Interview Lift
1209
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
15.8%
§102 Novelty
36.8%
§103 Obviousness
35.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17913509 TNFAIP3 AS A BIOMARKER FOR AUTOIMMUNE DISEASES Non-Final OA The Brigham and Women's Hospital, Inc.
18573750 MEDICAMENT FOR TREATMENT AND/OR PREVENTION OF CANCER Non-Final OA TORAY INDUSTRIES, INC.
18278707 MICROBIAL PRODUCTION OF POLYMERIC AMYLOID FIBERS Non-Final OA Washington University
18549335 DEVELOPMENT OF APTAMERS FOR NEUTRALIZING ANTIBODIES IN DEMYELINATING DISEASES Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
18276871 METHODS OF TREATING HYPOGONADOTROPIC HYPOGONADISM AND COGNITION IMPAIRMENT FOLLOWING A TRAUMATIC BRAIN INJURY Final Rejection UNITED STATES GOVERNMENT AS REPRESENTED BY THE DEPARTMENT OF VETERANS AFFAIRS

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Frequently Asked Questions

What is examiner Tirone Derek Johnson's allowance rate?

0.0% of resolved applications examined by Tirone Derek Johnson were allowed (2 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Tirone Derek Johnson?

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 Tirone Derek Johnson take to allow a patent?

Applications allowed by Tirone Derek Johnson took 1,209 days on average from filing to allowance.

Which art unit does examiner Tirone Derek Johnson work in?

Tirone Derek Johnson examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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