Prosecution Insights
Last updated: October 02, 2026

Examiner: LETTMAN, BRYAN MATTHEW

Tech Center 3700 • Art Units: 3746 3753

This examiner grants 65% of resolved cases

Analysis

Bryan Matthew Lettman serves in Tech Center 3700 and Art Unit 3746. He has a large volume of 967 resolved cases, providing a strong statistical basis for his profile. His allowance rate is 64.8 percent, indicating that nearly two-thirds of the applications he reviews reach issuance. This 64.8 percent rate suggests a standard level of examination difficulty for Tech Center 3700. The 967 resolved cases demonstrate a consistent pattern of patent grants.

The interview lift is 51.8 percent, which is exceptionally high. This 51.8 percent increase suggests that interviews are a primary driver of successful outcomes in his docket. The median days to allowance is 1159, indicating a prosecution cycle of over three years. Given the high 51.8 percent interview lift, practitioners should prioritize early and frequent communication to navigate the 1159-day median timeline effectively. The data suggests that while the baseline allowance rate is 64.8 percent, an interview can dramatically improve the odds of success. Applicants should use the 1159-day figure as a benchmark for their prosecution strategy in Art Unit 3746.

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

Performance Statistics

64.9%
Allow Rate
-5.1% vs TC avg
996
Total Applications
+51.8%
Interview Lift
1158
Avg Prosecution Days
Based on 968 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
17.3%
§102 Novelty
54.9%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18596277 ISOLATION SYSTEM FOR EQUIPMENT MAINTENANCE DURING WELL TREATMENT OPERATIONS Non-Final OA Halliburton Energy Services, Inc.
18875880 PRESSURE BOOSTING PUMP AND HYDROGEN SUPPLY SYSTEM Final Rejection MITSUBISHI HEAVY INDUSTRIES, LTD.
17660882 ACTUATOR AND FLUID CONTROL DEVICE Final Rejection Murata Manufacturing Co., Ltd.
18555289 AGRICULTURAL SAMPLING SYSTEM AND RELATED METHODS Final Rejection Precision Planting LLC
18839618 GAS SEPARATION DEVICE Non-Final OA W. L. Gore & Associates, Inc.
18698202 VEHICLE AIR DUCT WITH FIBER-FILM LAMINATE Non-Final OA Atieva, Inc.
18973078 Fan Module for Neck-Mounted Fans, Portable Fan Based on High-Speed Three-Phase Motors, and Neck-Mounted Fan Non-Final OA Shenzhen Jisu Technology Co.,Ltd
18003626 MODULAR COMPACT PUMP Final Rejection Vetco Gray Scandinavia AS

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