Prosecution Insights
Last updated: May 29, 2026

Chemetall GmbH

9 pending office actions • 7 art units • 7 examiners • 0 of 9 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Portfolio Summary

9
Total Pending OAs
4
Non-Final OAs
3
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 9 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
0
Due this week
2
Due this month
0
Due in next 60 days
1
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 9 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)Due ≤ 30 days (2)Due later (1)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

0
Hard (0%)
8
Medium (89%)
1
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only8 (89%)
Double-patenting only1 (11%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

9
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZHENG, LOIS L 3 67.7% +13.2%
ZHANG, HAI Y 1 67.7% +43.5%
FLETCHER III, WILLIAM P 1 76.2% +16.6%
WIECZOREK, MICHAEL P 1 54.8% +17.5%
WEISS, PAMELA HL 1 54.0% +46.9%
DELCOTTO, GREGORY R 1 53.8% +75.7%
JACKSON, MONIQUE R 1 34.7% +44.0%

Interview Candidates (9)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17428679 IMPROVED METHOD FOR APPLYING SILANE-BASED COATINGS ON SOLID SURFACES, IN PARTICULAR ON METAL SURFACES JACKSON, MONIQUE R 59d overdue
18000972 Phosphonate-Free, Aqueous Pickling Compositions and Their Use DELCOTTO, GREGORY R 37d overdue
18250478 TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS ZHENG, LOIS L 22d overdue
17904969 ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING ZHENG, LOIS L 17d overdue
18251614 TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS WEISS, PAMELA HL 8d overdue
18602585 PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS ZHANG, HAI Y 1d overdue
18003662 Improved Activation Agent for Manganese Phosphating Processes ZHENG, LOIS L 16d
18556479 AQUEOUS COMPOSITION FOR METALLIC SURFACE TREATMENT AND THE APPLICATION THEREOF FLETCHER III, WILLIAM P 22d

Top Art Units

Art UnitApps
1733 3
1717 1
1759 1
1712 1
1732 1
1761 1
1787 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18602585 PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS ZHANG, HAI Y 1717 §103 Final Rejection 1d overdue Pending Mar 12, 2024
18556479 AQUEOUS COMPOSITION FOR METALLIC SURFACE TREATMENT AND THE APPLICATION THEREOF FLETCHER III, WILLIAM P 1759 §103 Non-Final OA 22d Pending Oct 20, 2023
18549258 ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES AT NON-NEUTRAL PH VALUES FOR METAL COLD FORMING WIECZOREK, MICHAEL P 1712 DP Non-Final OA 85d Pending Sep 06, 2023
18251614 TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS WEISS, PAMELA HL 1732 §103 Final Rejection 8d overdue Pending May 03, 2023
18250478 TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS ZHENG, LOIS L 1733 §103 Non-Final OA 22d overdue Pending Apr 25, 2023
18003662 Improved Activation Agent for Manganese Phosphating Processes ZHENG, LOIS L 1733 §103 Non-Final OA 16d Pending Dec 28, 2022
18000972 Phosphonate-Free, Aqueous Pickling Compositions and Their Use DELCOTTO, GREGORY R 1761 §103 Final Rejection 37d overdue Pending Dec 07, 2022
17904969 ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING ZHENG, LOIS L 1733 §103 Non-Final OA 17d overdue Pending Aug 25, 2022
17428679 IMPROVED METHOD FOR APPLYING SILANE-BASED COATINGS ON SOLID SURFACES, IN PARTICULAR ON METAL SURFACES JACKSON, MONIQUE R 1787 §103 Non-Final OA 59d overdue Pending Aug 05, 2021

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