Prosecution Insights
Last updated: October 02, 2026

Examiner: LARKIN, DANIEL SEAN

Tech Center 2800 • Art Units: 1799 2122 2855 2856

This examiner grants 83% of resolved cases

Analysis

Daniel Sean Larkin has overseen 1129 resolved cases in Tech Center 2800. His allowance rate pct of 82.6% indicates a strong tendency toward granting patents within Art Unit 1799. This high rate suggests that the majority of applications on his docket eventually reach a favorable conclusion, providing a predictable path for practitioners.

While the examiner maintains a high baseline for approvals, interviews provide a further advantage. The interview lift pct of 8.0% suggests that direct engagement can help resolve remaining issues, even though the starting allowance rate is already high. This positive lift indicates that verbal advocacy remains a useful tool for overcoming final hurdles in the examination process.

The median_days_to_allowance for these cases is 988. This duration provides a benchmark for applicants expecting to navigate the 82.6% allowance environment under Larkin's review. The combination of a high allowance rate and a positive interview lift suggests that persistent engagement is likely to result in a grant within this timeframe.

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

Performance Statistics

82.6%
Allow Rate
+14.6% vs TC avg
1,146
Total Applications
+8.0%
Interview Lift
988
Avg Prosecution Days
Based on 1129 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
20.2%
§102 Novelty
35.5%
§103 Obviousness
37.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18851327 MODULAR PRESSURE SENSOR Non-Final OA ZF CV Systems Europe BV
18239049 Gas Chromatography Thermal Conductivity Detector (TCD) Calibration Valve Non-Final OA OHIO STATE INNOVATION FOUNDATION
18836683 ROTATABLE SAMPLE NEEDLE FOR ANALYZER Non-Final OA Agilent Technologies, Inc.
18622089 MEMS ACCELEROMETER WITH HORIZONTAL SENSE FINGERS Non-Final OA ROHM CO., LTD.
18492079 HYDROGEN DETECTION SYSTEM Final Rejection ROHM Co., LTD.
18925838 SYSTEM AND METHOD FOR MEASURING CONDITIONS IN AN ARCJET ENVIRONMENT UTILIZING NON-CATALYTIC CALORIMETER Non-Final OA Raytheon Company
18921442 WATER LEVEL SENSOR, WATER STORAGE TANK, AND CIRCULATING WATER TREATMENT APPARATUS Non-Final OA WOTA CORP.
18675841 DIRECT CONTROL ON LASER FREQUENCY FOR DUAL-PULSE DISTRIBUTED ACOUSTIC SENSING (DAS) Non-Final OA VIAVI SOLUTIONS INC.
19004053 SEMICONDUCTOR PACKAGE Non-Final OA FUJI ELECTRIC CO., LTD.
18510431 TRACER TESTING SYSTEMS AND METHODS Non-Final OA GEOSCIENCE Support Services, Inc.

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