Prosecution Insights
Last updated: April 19, 2026

Examiner: BUFFINGTON, HEAVEN RICHELLE

Tech Center 3600 • Art Units: 3615 3617 3647

This examiner grants 84% of resolved cases

Performance Statistics

83.5%
Allow Rate
+31.5% vs TC avg
121
Total Applications
+11.8%
Interview Lift
1349
Avg Prosecution Days
Based on 85 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
22.0%
§102 Novelty
42.1%
§103 Obviousness
31.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17969216 URBAN AIR MOBILITY POWER SUPPLY SYSTEM AND METHOD ACCORDING THERETO Final Rejection KIA CORPORATION
18190618 SYSTEMS AND METHODS FOR STORING PLAYER STATE CACHES LOCALLY ON RIDE VEHICLES Final Rejection Universal City Studios LLC
18365103 CLAMP ASSEMBLY Non-Final OA Transportation IP Holdings, LLC
18331743 VEHICLE CONTROL SYSTEM Non-Final OA Transportation IP Holdings, LLC
18559536 POSITION RESTRICTION DEVICE, LOAD RECEIVING SYSTEM, AND METHOD FOR MOVING CARGO Non-Final OA AERONEXT INC.
18494055 SUBSTRATE TRANSFERRING APPARATUS AND SUBSTRATE TRANSFERRING METHOD Non-Final OA SEMES CO., LTD.
18288234 TRAVELING VEHICLE SYSTEM, UNITARY UNIT, AND GRID-PATTERNED TRACK Non-Final OA MURATA MACHINERY, LTD.
18287479 RAIL-GUIDED CARRIER SYSTEM Non-Final OA MURATA MACHINERY, LTD.
18451991 RAIL VEHICLE COMPRISING A POWERPACK WITH A FUEL CELL AND A FUEL TANK Non-Final OA STADLER RAIL AG
18380329 METHOD OF MODIFYING ALUMINUM BODY RAILCARS, MODIFIED RAILCARS FORMED THEREBY AND ALUMINUM TOP CORD SPLICE COUPLING USED THEREIN Non-Final OA JAC Operations, Inc.
18282129 MULTI-MATERIAL RAIL PAD AND METHOD FOR MANUFACTURING SAME Non-Final OA Ecole Polytechnique Fédérale de Lausanne (EPFL)
18546151 Positioning Unit and Contacting Method Non-Final OA Schunk Transit Systems GmbH
18548926 ELEVATING CABLE REEL OF SINGLE-LAYER WINDING TYPE Non-Final OA Jeong Hoon SHIN
18317186 ARRANGEMENT FOR HOLDING DOWN A RAIL Non-Final OA voestalpine Railway Systems GmbH
18269807 LEVITATION FRAME, VEHICLE, RAIL SYSTEM AND MAGNETIC LEVITATION RAILWAY Non-Final OA MAX BOEGL STIFTUNG & CO. KG
18214936 AERIAL TRANSPORTATION INSTALLATION TERMINAL AND METHOD FOR PERFORMING MAINTENANCE OF A TERMINAL Non-Final OA POMA
18007405 Apparatus and Applications for Magnetic Levitation and Movement Using Offset Magnetic Arrays Non-Final OA US POSITRONIX INC.
18134696 Car Wash Conveyor Belt Lifting System Non-Final OA International Drying Corporation
18104334 Mat Traction System Non-Final OA Spartan Mat LLC
18014734 A CONTAINER TRANSPORTATION SYSTEM Non-Final OA CF TECHNOLOGIES PTY LTD
18079480 APPARATUS FOR TRACK MACHINING, METHOD FOR OPERATING THE APPARATUS FOR TRACK MACHINING AND TAMPING ASSEMBLY Non-Final OA ROBEL Bahnbaumaschinen GmbH
17786730 SYSTEM FOR THE TRANSPORTATION OF LOADS AND/OR PERSONS AT HEIGHT Final Rejection SWS ENGINEERING S.p.A.

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