Prosecution Insights
Last updated: April 19, 2026

Barnes & Thornburg LLP (Championx)

5 pending office actions • 2 clients

Portfolio Summary

5
Total Pending OAs
1
Final Rejections
4
Non-Final OAs

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Championx Usa Inc. 4
Championx LLC 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18936748 COMPOSITIONS AND METHODS FOR GAS LIFTED WELL DELIQUIFICATION Championx LLC LEFF, ANGELA MARIE DITRAN 3674 Final Rejection Nov 04, 2024
18452245 CORROSION INHIBITOR COMPOSITIONS AND METHODS OF USING THE SAME Championx Usa Inc. CLEVELAND, TIMOTHY C 1774 Non-Final OA Aug 18, 2023
18447746 DEVELOPMENT OF HYDROGEN COMPATIBLE CHEMICALS AND TEST METHODS FOR ENERGY SECTOR APPLICATION Championx Usa Inc. ANTHONY, JOSEPH DAVID 1764 Non-Final OA Aug 10, 2023
18323662 CHEMICAL TREATMENT COMPOSITIONS AND METHODS OF USING THE SAME Championx Usa Inc. ANTHONY, JOSEPH DAVID 1764 Non-Final OA May 25, 2023
17974374 ACID BASED CORROSION INHIBITOR COMPOSITIONS AND METHODS Championx Usa Inc. DIGGS, TANISHA 1761 Non-Final OA Oct 26, 2022

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