Prosecution Insights
Last updated: April 19, 2026

Chemetall GmbH

8 pending office actions

Portfolio Summary

8
Total Pending OAs
4
Final Rejections
4
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18602585 PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS ZHANG, HAI Y 1717 Final Rejection Mar 12, 2024
18556479 AQUEOUS COMPOSITION FOR METALLIC SURFACE TREATMENT AND THE APPLICATION THEREOF FLETCHER III, WILLIAM P 1759 Non-Final OA Oct 20, 2023
18263476 INTERLEAVING POWDER TALBOT, BRIAN K 1712 Final Rejection Jul 28, 2023
18251614 TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS WEISS, PAMELA HL 1732 Final Rejection May 03, 2023
18250478 TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS ZHENG, LOIS L 1733 Non-Final OA Apr 25, 2023
18003662 Improved Activation Agent for Manganese Phosphating Processes ZHENG, LOIS L 1733 Non-Final OA Dec 28, 2022
18000972 Phosphonate-Free, Aqueous Pickling Compositions and Their Use DELCOTTO, GREGORY R 1761 Final Rejection Dec 07, 2022
17904969 ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING ZHENG, LOIS L 1733 Non-Final OA Aug 25, 2022

Managing Chemetall GmbH's Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

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