Examiner: CUMAR, NATHAN

Tech Center 3600 • Art Units: 3653 3674 3675

This examiner grants 79% of resolved cases

Analysis

Nathan Cumar is an examiner in Tech Center 3600 and Art Unit 3653 with 1218 resolved cases. He maintains an allowance rate of 78.8%, suggesting a probability of success for applications under his review. The median days to allowance is 938, which indicates the prosecution cycle for granted patents. This timeline is a characteristic of his docket within the 3600 Tech Center.

An interview lift of 14.4% suggests that direct engagement can improve outcomes compared to the 78.8% baseline. This 14.4% lift is derived from the 1218 resolved cases, providing a basis for strategy. Practitioners in Art Unit 3653 should consider the 938-day median timeline when managing their patent portfolios. The combination of the allowance rate and the interview lift provides paths to a grant. The 14.4% lift is a tool for applicants to use alongside the 78.8% allowance rate.

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

Performance Statistics

78.8%

Allow Rate

+26.8% vs TC avg

1,261

Total Applications

+14.4%

Interview Lift

938

Avg Prosecution Days

Based on 1218 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%

§101 Eligibility

23.3%

§102 Novelty

45.1%

§103 Obviousness

27.6%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
19101016	ROTATING CONTROL DEVICE WITH SEALING INSERT	Non-Final OA	SCHLUMBERGER TECHNOLOGY CORPORATION
18796862	LOCK APPARATUS AND IMAGE FORMING APPARATUS	Non-Final OA	CANON KABUSHIKI KAISHA
19153745	GASKET AND SEALING STRUCTURE	Non-Final OA	NOK CORPORATION
18608000	GROMMET AND GROMMET ASSEMBLY FOR MACHINE FLUID SYSTEM	Non-Final OA	Caterpillar Inc.
19268846	LOCKING CAP ASSEMBLY	Non-Final OA	CareFusion 303, Inc.
18678725	ELECTRONIC DOOR LOCK	Final Rejection	JANUS INTERNATIONAL GROUP, LLC
18686715	KEY	Non-Final OA	LIXIL Corporation
19204891	CYLINDER LOCK	Non-Final OA	LIXIL Corporation
18649392	O-RING GLAND FITTINGS FOR LIQUID COOLING WITH O-RING COMPRESSION SEAL HAVING REDUNDANT NON-RADIAL SEAL PAIRS	Final Rejection	HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
18702584	RUBBER PRODUCT, TEST JIG AND TEST DEVICE FOR SEALING MEMBER, AND LEAKAGE DETECTION MEMBER	Non-Final OA	TOKYO UNIVERSITY OF SCIENCE FOUNDATION

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