Prosecution Insights
Last updated: April 19, 2026

Examiner: LIN, CHENG XI

Tech Center 3600 • Art Units: 3613 3615 3617

This examiner grants 85% of resolved cases

Performance Statistics

84.6%
Allow Rate
+32.6% vs TC avg
331
Total Applications
+14.2%
Interview Lift
1185
Avg Prosecution Days
Based on 305 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
23.4%
§102 Novelty
55.4%
§103 Obviousness
17.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18838440 RAIL CONNECTING STRUCTURE Non-Final OA THK CO., LTD.
18456332 VEHICLE FRAME SYSTEM FOR A VEHICLE Non-Final OA Transportation IP Holdings, LLC
18365072 RAIL THREAD BOX ASSEMBLY Non-Final OA Transportation IP Holdings, LLC
18459212 LOCKED-AXLE SPRING COMPRESSION SYSTEM AND METHOD Non-Final OA BNSF Railway Company
18509077 Method and Rail Vehicle for Detection of a Flaw or Flaws in a Railway Track Non-Final OA Technische Universiteit Delft
18234107 Rail Non-Final OA Daifuku Co., Ltd.
18219861 Transport Vehicle Non-Final OA Daifuku Co., Ltd.
18246770 RESILIENT SOLE AND METHOD FOR MANUFACTURING SAME Non-Final OA RUBBERGREEN INDUSTRIE
18214578 TRANSPORT SYSTEM Non-Final OA Schneider Electric Industries SAS
18272632 ON-TRACK MAINTENANCE MACHINE AND METHOD FOR OPERATING THE MACHINE Non-Final OA Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
18019350 TRACK MAINTENANCE MACHINE FOR TAMPING A TRACK Non-Final OA Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
18019353 METHOD AND TRACK TAMPING MACHINE FOR TAMPING A TRACK Non-Final OA Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
18180460 CONVOLUTE FOR A BELLOWS OF A GANGWAY AND BELLOWS OF A GANGWAY Non-Final OA Dellner Couplers AB
18386625 CABLE WINDING STRUCTURE Non-Final OA Weiyu (Shenzhen) Technology Co., Ltd.
18355193 LOCKING DEVICE FOR A PANTOGRAPH Non-Final OA Schunk Transit Systems GmbH
18462536 UNDER SLEEPER PAD Non-Final OA Getzner Werkstoffe Holding GmbH
18272871 Assembly And Method For Automatic Aligning Of Rails Non-Final OA Pandrol
18210751 RADAR SYSTEM FOR DETERMINING A STATUS OF A WHEEL Non-Final OA Railway Metrics and Dynamics Sweden AB
18035660 SYSTEM FOR ELECTRICALLY FEEDING AT LEAST ONE ELECTRICALLY POWERED VEHICLE Non-Final OA BluVein Innovation Pty. Ltd.
18043598 BOOM HEAD ASSEMBLY FOR AN ELECTRIC OR HYBRID VEHICLE Non-Final OA MULTIBUS LTD
18085168 STARTING RAMP FOR TUBING TRACKS Non-Final OA Team Service S.r.l.

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