Prosecution Insights
Last updated: October 26, 2026

Courtney D Fields, USPTO Patent Examiner

Listed by the USPTO as FIELDS, COURTNEY D

Tech Center 2400 • Art Units: 2137 2431 2436 2437 2439 2496

This examiner grants 84% of resolved cases

Performance Statistics

84.0%
Allow Rate
+26.0% vs TC avg
696
Total Applications
-3.5%
Interview Lift
1217
Avg Prosecution Days
Based on 673 resolved cases, 2023–2026

Rejection Statute Breakdown

15.5%
§101 Eligibility
27.3%
§102 Novelty
43.2%
§103 Obviousness
6.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18414861 LAYER-2 SECURITY ENHANCEMENTS Non-Final OA Apple Inc.
18231703 TECHNIQUES FOR TRANSMITTING FRAMES WITH SECURELY SCRAMBLED PAYLOAD Final Rejection Apple Inc.
18971674 CONTENT GENERATION APPARATUS AND CONTENT MANAGEMENT APPARATUS FOR REGISTERING INFORMATION IN BLOCKCHAIN USING AUDIO DATA IN VIDEO FILE, AND CONTROL METHOD AND STORAGE MEDIUM THEREFOR Final Rejection CANON KABUSHIKI KAISHA
19106393 Monitoring A Control Program Of At Least One Functional Unit Of A Machine Installation Non-Final OA Siemens Aktiengesellschaft
18735899 TRANSACTION SECURITY TECHNIQUES Non-Final OA eBAY iNC.
18913777 PROCESSING AUTHENTICATION REQUESTS FOR UNIFIED ACCESS MANAGEMENT SYSTEMS AND APPLICATIONS Non-Final OA NVIDIA Corporation
18755137 SELECTIVE NETWORK ACCESS BASED ON TRUST LEVEL Final Rejection Cisco Technology, Inc.
18672657 SECURE FRAME ENCRYPTION AS A SERVICE Non-Final OA Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Courtney D Fields's allowance rate?

84.0% of resolved applications examined by Courtney D Fields were allowed (673 resolved cases), compared with 75.9% across Art Unit 2137 over the last five years.

Does an interview help with examiner Courtney D Fields?

This examiner's interview lift is -3.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Courtney D Fields take to allow a patent?

Applications allowed by Courtney D Fields took 1,217 days on average from filing to allowance.

Which art unit does examiner Courtney D Fields work in?

Courtney D Fields examines applications in Art Unit 2137 in Tech Center 2400 (Networking & Security).

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