Prosecution Insights
Last updated: October 02, 2026

Examiner: PRATHER, GREGORY T

Tech Center 3700 • Art Units: 3615 3618 3619 3656 3658 3773

This examiner grants 68% of resolved cases

Analysis

Gregory T. Prather is an examiner in Tech Center 3700, Art Unit 3615, with 540 resolved cases. He has an allowance rate of 68.5 percent, which is a solid majority. The median time to allowance is 1045 days, which is a standard duration for patent prosecution. This timeline indicates that successful applications typically reach a resolution after a steady examination process.

The interview lift for this examiner is 21.8 percent. This is a significant lift, suggesting that an interview can greatly improve the 68.5 percent baseline allowance rate. Practitioners should consider an interview to help move cases along and potentially navigate the 1045-day median pendency more effectively. With 540 resolved cases, the examiner's responsiveness to interviews is a consistent feature of his practice. This data suggests that proactive communication is a key strategy for success in Tech Center 3700.

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

Performance Statistics

68.5%
Allow Rate
-1.5% vs TC avg
559
Total Applications
+21.8%
Interview Lift
1045
Avg Prosecution Days
Based on 540 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
27.6%
§102 Novelty
37.2%
§103 Obviousness
31.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18522855 ROBOT BLADE Non-Final OA Samsung Electronics Co., Ltd.
19100298 Industrial Robot Final Rejection ABB Schweiz AG
19483295 SHIFT ACTUATOR Non-Final OA Shilla Industrial Co., Ltd.
18725131 OSCILLATION DEVICE AND METHOD FOR CONTROLLING OSCILLATION DEVICE Final Rejection MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
18797505 MOVING PLATFORM Non-Final OA DELTA ELECTRONICS, INC.
18868169 DRIVE DEVICE AND ROBOT EQUIPPED WITH DRIVE DEVICE Non-Final OA FANUC CORPORATION
18951951 ROBOT AND METHOD FOR MANUFACTURING ROBOT Non-Final OA KABUSHIKI KAISHA YASKAWA DENKI
19214637 ROTATION SHAFT STRUCTURE, TRANSMISSION SYSTEM, OPERATION MECHANISM AND SWITCHING DEVICE ASSEMBLY Non-Final OA Schneider Electric Industries SAS
18415502 ROBOTIC MEDICAL SYSTEM DRAPE ADAPTER ASSEMBLIES Final Rejection EndoQuest Robotics, Inc.
18323406 PARKING ROBOT SYSTEM Final Rejection CYBER SURGERY, S.L.

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