Prosecution Insights
Last updated: October 26, 2026

Carlton Johnson, USPTO Patent Examiner

Listed by the USPTO as JOHNSON, CARLTON

Tech Center 2400 • Art Units: 2436

This examiner grants 58% of resolved cases

Analysis

Carlton Johnson, in Tech Center 2400 and Art Unit 2436, has resolved 364 cases. His allowance rate is 58.0 percent, and the median days to allowance is 1656. This suggests a moderately favorable outcome but a very long timeline.

The interview lift of 33.0 percent is significant, indicating that interviews are a highly effective way to improve the 58.0 percent baseline allowance rate. Top companies include Wells Fargo Bank, N.A., NEC Corporation, and NantWorks LLC.

Firms like BakerHostetler, Knobbe, Martens, Olson & Bear, LLP, and LERNER GREENBERG STEMER LLP are active here. Given the 1656-day median pendency, the 33.0 percent lift from interviews is a key strategy for practitioners.

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

Performance Statistics

58.0%
Allow Rate
At TC average
389
Total Applications
+33.0%
Interview Lift
1656
Avg Prosecution Days
Based on 364 resolved cases, 2023–2026

Rejection Statute Breakdown

12.1%
§101 Eligibility
13.3%
§102 Novelty
64.4%
§103 Obviousness
9.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18679333 AUTHENTICATION SYSTEM AND METHOD Final Rejection Wells Fargo Bank, N.A.
18229731 PUBLIC ITEMIZATION OF PKI NODES (PIPKIN) Final Rejection Wells Fargo Bank, N.A.
18391801 COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Non-Final OA NEC Corporation

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Frequently Asked Questions

What is examiner Carlton Johnson's allowance rate?

58.0% of resolved applications examined by Carlton Johnson were allowed (364 resolved cases), compared with 73.6% across Art Unit 2436 over the last five years.

Does an interview help with examiner Carlton Johnson?

This examiner's interview lift is +33.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Carlton Johnson take to allow a patent?

Applications allowed by Carlton Johnson took 1,656 days on average from filing to allowance.

Which art unit does examiner Carlton Johnson work in?

Carlton Johnson examines applications in Art Unit 2436 in Tech Center 2400 (Networking & Security).

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