Prosecution Insights
Last updated: October 02, 2026

Examiner: ROYSTON, JOHN M

Tech Center 2800 • Art Units: 1773 2854 2855 2856 2863

This examiner grants 78% of resolved cases

Analysis

John M. Royston is an examiner in Tech Center 2800, specifically Art Unit 1773. He has managed 659 resolved cases, maintaining an allowance rate of 77.8 percent. This volume of cases provides a robust baseline for understanding his prosecution tendencies and general receptiveness to patent applications. The consistency shown across this volume of cases suggests that the examiner follows a predictable set of internal guidelines, which can be advantageous for long-term planning.

An interview lift of 17.0 percent suggests that while interviews are beneficial, the baseline allowance rate is already relatively high. The median days to allowance stands at 918. This duration reflects the typical time required to navigate the examination process from filing to grant under his review. Practitioners can use these metrics to forecast the resources and time necessary for successful prosecution in this specific technical field, ensuring that their strategies align with the examiner's established patterns.

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

Performance Statistics

77.8%
Allow Rate
+9.8% vs TC avg
679
Total Applications
+17.0%
Interview Lift
918
Avg Prosecution Days
Based on 659 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
21.6%
§102 Novelty
53.6%
§103 Obviousness
18.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18913214 METHOD FOR DETECTING THE POSITION OF A ROTOR ELEMENT, COMPUTER PROGRAM PRODUCT, AND SENSOR DEVICE Non-Final OA HELLA GmbH & Co. KGaA
18854586 MICROMECHANICAL COMPONENT FOR A SENSOR DEVICE, MICROPHONE DEVICE AND/OR MICRO-LOUDSPEAKER DEVICE Non-Final OA Robert Bosch GmbH
18854163 A SENSOR DEVICE FOR CONTACTING HYDROGEN, USING SUCH A SENSOR DEVICE IN A FUEL CELL SYSTEM, IN A HYDROGEN HIGH-PRESSURE STORAGE SYSTEM, IN A HYDROGEN COMBUSTION ENGINE SYSTEM, OR IN A HYDROGEN DISTRIBUTION SYSTEM, METHODS FOR MANUFACTURING SUCH A SENSOR DEVICE Non-Final OA Robert Bosch GmbH
18948702 GAS TURBINE ENGINE COMPONENT PARTICULATE SAMPLING APPARATUS, SYSTEM AND METHOD Non-Final OA ROLLS-ROYCE plc
18838355 System for Agricultural Sample Slurry Analysis and Related Methods Non-Final OA Precision Planting LLC
18455792 SENSOR MODULE FOR DETECTING A VIBRATIONAL BEHAVIOR OF A COMPONENT AND INCLUDING A LEAK-PROOF LIGHT GUIDE Final Rejection Aktiebolaget, SKF
18953520 SYSTEM FOR PERFORMING FLUID ANALYSIS Non-Final OA HONEYWELL INTERNATIONAL INC.
18869775 GAS CONTINUOUS ANALYSIS SYSTEM, AND GAS CONTINUOUS ANALYSIS METHOD Non-Final OA HORIBA, LTD.
18899184 GAS SENSOR Non-Final OA NITERRA CO., LTD.
18673956 INPUT DEVICE AND FORCE DETECTOR USING FORCE SENSOR FOR DETECTING MOMENT Non-Final OA MITSUMI ELECTRIC CO., LTD.
18850291 LEAKAGE DETECTING DEVICE AND DETECTING METHOD Non-Final OA Wuxi Lead Intelligent Equipment Co, Ltd.
18571647 METHOD OF DETECTING WEAR AND TEAR IN A ROTATING OBJECT Non-Final OA TRIAD National Security, LLC.

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