Prosecution Insights
Last updated: October 26, 2026

John B King, USPTO Patent Examiner

Listed by the USPTO as KING, JOHN B

Tech Center 2400 • Art Units: 2435 2437 2498

This examiner grants 81% of resolved cases

Analysis

John B. King works in Tech Center 2400 and Art Unit 2435. His record includes 657 resolved cases, an 80.8% allowance rate, and a median of 1,188 days to allowance. The interview lift is 37.3%, indicating that interviews are associated with a higher allowance rate in this dataset.

The listed companies are Apple Inc., Sony Group Corporation, and Jumpcloud Inc. The listed firms are Dickinson Wright PLLC - Troy, ALSTON & BIRD LLP, and BROWNSTEIN HYATT FARBER SCHRECK, LLP. For practitioners, the combination of a 37.3% interview lift and an 80.8% allowance rate supports treating examiner interviews as a potentially useful part of prosecution planning. The 1,188-day median also makes timing an important consideration when setting client expectations.

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

Performance Statistics

80.8%
Allow Rate
+22.8% vs TC avg
679
Total Applications
+37.3%
Interview Lift
1188
Avg Prosecution Days
Based on 657 resolved cases, 2023–2026

Rejection Statute Breakdown

15.0%
§101 Eligibility
8.8%
§102 Novelty
48.7%
§103 Obviousness
19.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19230303 Quantum-Resistant Password-Authenticated Key Exchanges Non-Final OA Apple Inc.
19227332 TECHNIQUES FOR AUTHORIZING ACTIVITIES ACROSS COMPUTING DEVICES Non-Final OA Apple Inc.
19212462 ELECTRONIC APPARATUS GENERATING CONTENT PROVENANCE INFORMATION, CONTROL METHOD FOR ELECTRONIC APPARATUS, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18714744 ELECTRONIC DEVICE AND INFORMATION PROCESSING METHOD Non-Final OA Sony Semiconductor Solutions Corporation
18702803 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, IMAGING DEVICE, AND CONTROL METHOD Non-Final OA Sony Semiconductor Solutions Corporation
18376087 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Final Rejection NEC Corporation
19051682 KEY OBTAINING METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18872115 AUTHENTICATION DEVICE AND AUTHENTICATION METHOD Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18619669 ENDPOINT DEVICE MANAGEMENT USING VALIDATION RULES Final Rejection Dell Products L.P.

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Frequently Asked Questions

What is examiner John B King's allowance rate?

80.8% of resolved applications examined by John B King were allowed (657 resolved cases), compared with 81.9% across Art Unit 2435 over the last five years.

Does an interview help with examiner John B King?

This examiner's interview lift is +37.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John B King take to allow a patent?

Applications allowed by John B King took 1,188 days on average from filing to allowance.

Which art unit does examiner John B King work in?

John B King examines applications in Art Unit 2435 in Tech Center 2400 (Networking & Security).

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