Prosecution Insights
Last updated: October 02, 2026

Examiner: PARCO JR, RUBEN C

Tech Center 2800 • Art Units: 2853 2854

This examiner grants 46% of resolved cases

Analysis

Ruben C. Parco Jr. examines applications in Tech Center 2800 and Art Unit 2853, with 467 resolved cases. His allowance rate of 46.0% suggests a balanced but competitive environment for patent applicants. This 46.0% rate indicates that slightly less than half of the applications result in a grant. The 467 resolved cases provide a significant data set for evaluating the prosecution trends in this art unit.

The median days to allowance is 1223, which represents a lengthy prosecution period. This 1223-day figure indicates that reaching a successful outcome can take over three years. For applicants, the 1223 days to allowance is a critical metric for long-term planning and resource allocation. This 1223-day duration is a defining feature of the prosecution experience in Tech Center 2800 under his review.

The interview lift of 16.3% highlights the potential benefits of direct engagement. This 16.3% lift suggests that applications are more likely to be allowed following an interview with the examiner. When viewed alongside the 46.0% base allowance rate, the 16.3% lift is a meaningful factor for practitioners to consider. Utilizing the 16.3% lift could be a key strategy for successfully navigating the 467 resolved cases in Art Unit 2853.

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

Performance Statistics

46.0%
Allow Rate
-22.0% vs TC avg
499
Total Applications
+16.3%
Interview Lift
1223
Avg Prosecution Days
Based on 467 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
14.5%
§102 Novelty
52.2%
§103 Obviousness
27.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17288402 INERTIAL MEASURING UNIT WITH REDUCED SENSITIVITY TO THERMOMECHANICAL CONSTRAINTS Final Rejection SAFRAN ELECTRONICS & DEFENSE
17941615 TEST APPARATUS Non-Final OA Samsung Display Co., Ltd.
17841891 FORCE SENSOR Non-Final OA Alps Alpine Co., Ltd.
18450747 SENSOR AND ELECTRONIC DEVICE Non-Final OA KABUSHIKI KAISHA TOSHIBA
18489534 MICROMECHANICAL SENSOR SYSTEM COMPRISING A ROTATION RATE SENSOR AND METHOD FOR OPERATING A MICROMECHANICAL SENSOR SYSTEM COMPRISING A ROTATION RATE SENSOR Final Rejection Robert Bosch GmbH
18483784 MICROMECHANICAL SENSOR WITH INTEGRATED STRESS SENSOR AND METHOD FOR THE SIGNAL CORRECTION OF A SENSOR SIGNAL Final Rejection Robert Bosch GmbH
18405113 TORQUE MEASUREMENT SYSTEM FOR AIRCRAFT ENGINES Non-Final OA PRATT & WHITNEY CANADA CORP.
18346991 IMAGE FORMING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18846018 SENSOR DEVICE Non-Final OA JTEKT CORPORATION
18435127 EXCITATION SYSTEM Non-Final OA ROLLS-ROYCE PLC
18440531 METAMATERIAL MEASUREMENT FOR INCREASED MEASUREMENT RANGE AND INCREASED RESOLUTION Non-Final OA Infineon Technologies AG
18770989 MEMS DEVICE AND METHOD FOR PRODUCING MEMS DEVICE Non-Final OA ROHM CO., LTD.
18488817 ACCELERATION SENSOR Non-Final OA ROHM CO., LTD.
18140824 MULTI-AXIS SHOCK SIMULATION USING BALL DROP TEST Final Rejection Raytheon Company
18146136 SELECTIVE LASER ETCHING QUARTZ RESONATORS Final Rejection Honeywell International Inc.
18262738 LIQUID-BASED CMOS MEMS MICRO THERMAL CONVECTIVE ACCELEROMETER Non-Final OA The Hong Kong University of Science and Technology
18140513 FORCE SENSING APPARATUS WITH BRIDGE PORTION Final Rejection INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
17926915 MODE LOCALISED ACCELEROMETER Final Rejection Cambridge Enterprise Limited
18038622 SENSOR ARRANGEMENT FOR SENSING FORCES AND METHOD FOR FABRICATING A SENSOR ARRANGEMENT Non-Final OA MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V.
17829592 UNDER-HOOD STEERING GEAR SEAL INTEGRITY DIAGNOSTIC SYSTEM AND TEST METHOD TECHNICAL FIELD Non-Final OA Steering Solutions IP Holding Corporation

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