Prosecution Insights
Last updated: October 02, 2026

Examiner: WOLF, DARREN E

Tech Center 2600 • Art Units: 2613 2634 2636

This examiner grants 85% of resolved cases

Analysis

Darren E. Wolf is an examiner in Tech Center 2600 and Art Unit 2613. He has 799 resolved cases with an allowance rate of 85.0 percent. This 85.0 percent rate suggests a favorable environment for applicants seeking patent grants. The median days to allowance of 777 provides a timeline for the duration of the prosecution process for successful cases. Practitioners should use this timing metric to plan their patent strategy and manage expectations in Tech Center 2600.

The interview lift of 15.2 percent suggests that conducting an interview provides a measurable increase in the probability of a grant. This 15.2 percent lift is a metric for practitioners deciding whether to engage in direct communication with the examiner to resolve rejections. With 799 resolved cases, the data reflects a consistent examination history. The median days to allowance of 777 is a useful figure for managing the expected timeline of a patent application. Utilizing the interview process can be a helpful component for navigating Art Unit 2613.

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

Performance Statistics

85.0%
Allow Rate
+23.0% vs TC avg
817
Total Applications
+15.2%
Interview Lift
777
Avg Prosecution Days
Based on 799 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
3.5%
§102 Novelty
43.3%
§103 Obviousness
48.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18816267 OPTICAL REPEATER, OPTICAL REPEATING METHOD, AND PROGRAM Non-Final OA NEC Corporation
18379985 OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSION PATH MONITORING METHOD Final Rejection NEC Corporation
18957523 OPTICAL MODULE, ELECTRONIC DEVICE, COMMUNICATION SYSTEM, AND RELATED PROCESSING METHOD Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18899730 OPTICAL COMMUNICATION METHOD, APPARATUS, AND SYSTEM Non-Final OA Huawei Technologies Co., Ltd.
18885025 TRANSMISSION PATH MONITORING APPARATUS AND TRANSMISSION PATH MONITORING METHOD Non-Final OA Fujitsu Limited
18720796 OPTICAL UNDERWATER DATA TRANSMISSION Final Rejection BAE SYSTEMS PLC
18915894 VISIBLE LIGHT COMMUNICATION SYSTEM AND TERMINAL APPARATUS Non-Final OA KYOCERA CORPORATION
18855228 WIRELESS COMMUNICATION METHOD, BASE STATION EQUIPMENT AND WIRELESS COMMUNICATION SYSTEM Non-Final OA NTT, Inc.
18853444 WIRELESS COMMUNICATION METHOD, BASE STATION EQUIPMENT, AND WIRELESS COMMUNICATION SYSTEM Non-Final OA NTT, Inc.
18880366 CALCULATION DEVICE, NETWORK DEVICE, CALCULATION METHOD AND PROGRAM Non-Final OA Nippon Telegraph and Telephone Corporation
18486751 APPARATUS AND METHOD FOR TRANSMITTING SEGMENTS FOR A DOWNSTREAM TRANSMISSION AND APPARATUS AND METHOD FOR RECEIVING SEGMENTS OF A DOWNSTREAM TRANSMISSION FOR A PASSIVE OPTICAL NETWORK Non-Final OA Nokia Solutions and Networks Oy
18848870 INFORMATION CONFIGURATION METHOD AND APPARATUS, STORAGE MEDIUM, AND PROGRAM PRODUCT Non-Final OA ZTE Corporation
18776946 DATA TRANSMISSION METHOD, SENDING END, RECEIVING END, AND STORAGE MEDIUM Non-Final OA ZTE CORPORATION
18928318 In-service measurements of nonlinear interference in an optical network Non-Final OA Ciena Corporation
18914303 Single-Sideband Generator Based on Optical Delay Line Non-Final OA City University of Hong Kong
18415193 PERFORMANCE MONITORING DATA INTEGRATED ROUTE PLANNING TOOL FOR RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER (ROADM) DENSE WAVELENGTH-DIVISION MULTIPLEXING (DWDM) NETWORKS Non-Final OA AT&T Intellectual Property I, L.P.
19034099 TECHNIQUES FOR IMPROVING PERFORMANCE, GOVERNMENTAL REGULATION COMPLIANCE AND/OR SAFETY OF AN OPTICAL AIR DATA SYSTEM Non-Final OA Honeywell International Inc.
18926282 DYNAMIC ERROR QUANTIZER TUNING SYSTEMS AND METHODS Non-Final OA MAXIM INTEGRATED PRODUCTS, INC.
19008091 SIGNALING ON A HIGH-SPEED DATA CONNECTOR Non-Final OA II-VI Delaware, Inc.
18933095 DISTRIBUTED RECONFIGURABLE SWITCHING NODE FOR MULTIPLE CORE FIBER Non-Final OA SUBCOM, LLC

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