Prosecution Insights
Last updated: October 01, 2026

Examiner: SCHLAK, DANIEL KEITH

Tech Center 4100 • Art Units: 2834 4100

This examiner grants 75% of resolved cases

Analysis

Daniel Keith Schlak is an examiner in Art Unit 2834 of Tech Center 4100. He has resolved 64 cases with an allowance rate of 75.0 percent. This 75.0 percent rate is higher than the 33.3 percent interview lift. The median days to allowance is 952, which is the primary time metric for successful applications. This 952 day figure provides a clear expectation for pendency in Art Unit 2834.

The 33.3 percent interview lift indicates that direct communication is a highly effective strategy for improving the 75.0 percent baseline. With 64 cases resolved, the examiner demonstrates a consistent pattern of granting patents. Practitioners should use the 952 day median to plan their prosecution strategy. The 64 case volume in Tech Center 4100 indicates that these metrics are statistically significant. Leveraging the 33.3 percent lift can help navigate rejections and move cases toward a grant. This examiner offers an efficient path to issuance.

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

Performance Statistics

75.0%
Allow Rate
+15.0% vs TC avg
82
Total Applications
+33.3%
Interview Lift
952
Avg Prosecution Days
Based on 64 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
27.3%
§102 Novelty
40.4%
§103 Obviousness
29.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19014904 ROTATING ELECTRIC MACHINE Non-Final OA HONDA MOTOR CO., LTD.
18568086 Shaft-Grounding Device for Establishing an Electrically Conductive Connection Between a Rotatable Shaft and a Housing Final Rejection ZF Friedrichshafen AG
18971269 HOUSING ASSEMBLY, ELECTRIC DRIVE DEVICE AND VEHICLE Non-Final OA Valeo eAutomotive Germany GmbH
18277528 CONTROL DEVICE, DRIVE DEVICE, AND ELECTRIC POWER STEERING DEVICE Final Rejection Mitsubishi Electric Corporation
18992177 HOUSING WITH A HOUSING COOLING DEVICE, ELECTRIC MACHINE, METHOD FOR COOLING THE ELECTRIC MACHINE, AND MOTOR VEHICLE Non-Final OA Schaeffler Technologies AG & Co. KG
19001395 ROTOR STRUCTURE Non-Final OA DELTA ELECTRONICS, INC.
19079380 MOTOR DEVICE Non-Final OA MITSUBA Corporation
18859174 TERMINAL MODULE FOR ROTARY ELECTRIC MACHINE Non-Final OA SUMITOMO WIRING SYSTEMS, LTD.
19019904 VEHICLE DRIVE SYSTEM Non-Final OA Mazda Motor Corporation
18005995 STATOR FOR DISK MOTOR, STATOR SUPPORTING RING AND COMPRESSOR Non-Final OA Danfoss (Tianjin) Ltd.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month