Prosecution Insights
Last updated: April 19, 2026

Examiner: BOCHNA, DAVID

Tech Center 3600 • Art Units: 1723 3679

This examiner grants 80% of resolved cases

Performance Statistics

79.8%
Allow Rate
+27.8% vs TC avg
1849
Total Applications
+13.6%
Interview Lift
1002
Avg Prosecution Days
Based on 1801 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
44.0%
§102 Novelty
30.5%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19063148 THREADED JOINT Non-Final OA Tenaris Connections B.V.
18730273 A THREADED PIPE CONNECTION Non-Final OA TENARIS CONNECTIONS B.V.
18669291 THREADED TUBULAR MEMBERS EMPLOYING METAL-TO-METAL SEALS Non-Final OA National Oilwell Varco, L.P.
18500787 COMPOSITE PIPE Non-Final OA Saudi Arabian Oil Company
18691723 ASSEMBLY OF RESIN PIPE AND METAL MEMBER AND METHOD OF MANUFACTURING ASSEMBLY Non-Final OA THE YOKOHAMA RUBBER CO., LTD.
19058613 PIPE JOINT UNIT Non-Final OA TOYODA GOSEI CO., LTD.
19253560 METHOD OF MANUFACTURING A TUBE WITH A PLAYLESS HINGE AND DEVICE COMPRISING SUCH A TUBE Non-Final OA Fortimedix Assets II B.V.
19201206 FLUID COUPLINGS Non-Final OA Colder Products Company
19210309 CONNECTION STRUCTURE AND HEAT EXCHANGE DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18416474 TUBULAR CONNECTION CONTROL USING DETECTABLE FEATURE Final Rejection WEATHERFORD TECHNOLOGY HOLDINGS, LLC
16390108 ELECTRICAL CONDUIT COUPLER Non-Final OA Hubbell Incorporated
19053964 PIPE FITTING Final Rejection Tyco Fire Products LP
17993113 CONNECTING DEVICE Final Rejection VAT Holding AG
18954305 CENTERING INTERFACE Final Rejection B. Braun Avitum AG
18940821 SNAP LOCK FITTING Non-Final OA Icon Containment Solutions, LLC
18555313 AGRICULTURAL SAMPLING SYSTEM AND RELATED METHODS Non-Final OA Precision Planting LLC
18498594 DYNAMIC MANIFOLD LOCKING SYSTEM Non-Final OA FHE USA LLC
18847360 PROFILED CLAMP Non-Final OA NORMA GERMANY GMBH
17904870 CONNECTOR SYSTEM WITH RELEASABLE CONTOUR SEAL FOR A FLUID SYSTEM Final Rejection Siemens Healthcare Diagnostics Inc.
18698086 OIL-WELL METAL PIPE Non-Final OA VALLOUREC OIL AND GAS FRANCE
18790205 TIGHT-SEAL PIPING COMPONENT Non-Final OA Mueller International, LLC
18793493 COMPRESSION PIPE FITTING WITH WIDE RANGE GRIP RINGS Final Rejection A. Y. McDonald Mfg. Co.
18727060 Methodology to Enable the Use of Oxide Dispersion Strengthened Alloys and Precipitation Strengthen Nickel-Based Alloys for Advanced Energy Systems Non-Final OA Electric Power Research Institute, Inc.
18698438 CONNECTION DEVICE FOR CONNECTING TUBULAR COMPONENTS Non-Final OA EISELE GmbH
18293737 IMPROVEMENTS TO A JOINT BETWEEN OIL AND GAS PIPE SECTIONS Final Rejection High Sealed and Coupled 'HSC' FZCO
18511561 FLEXIBLE TUBE ASSEMBLY Non-Final OA TOFLE CO., INC.
18554400 AXIAL REFORMER TUBE Non-Final OA Paralloy Limited
17923092 HOSE, HOSE ARRANGEMENT AND CORRESPONDING PROCESS FOR MANUFACTURING A HOSE ARRANGEMENT Non-Final OA Neoperl GmbH
18237992 CONNECTION OF A PIPE-LIKE COMPONENT WITH A CONNECTING PART Final Rejection Johannes Schäfer vorm. Stettiner Schraubenwerke GmbH & Co. KG
18363161 SWAGE FITTING FOR TUBING CONNECTIONS AND METHOD Final Rejection RLS LLC

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