Prosecution Insights
Last updated: May 29, 2026

Chemours-Mitsui Fluoroproducts Co. Ltd.

8 pending office actions • 6 art units • 8 examiners • 0 of 8 (0%) have an AI response strategy ready

Portfolio Summary

8
Total Pending OAs
3
Non-Final OAs
5
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 8 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
0
Due this week
1
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. 8 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)Due ≤ 30 days (1)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%)
7
Medium (88%)
0
Easy (0%)
1
Unknown (12%)

Rejection Statute Mix

BucketCases
§103 only7 (88%)
No statute on record1 (12%)

Industry Mix

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

8
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.

80 h
Manual time on pending OAs
16 h
Time saved (low, 20%)
28 h
Time saved (mid, 35%)
0.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VAN SELL, NATHAN L 1 53.8% +24.3%
BUTTNER, DAVID J 1 63.9% +4.1%
BOYER, CHARLES I 1 70.8% +18.9%
WU, ANDREA 1 70.9% +26.1%
MIGGINS, MICHAEL C 1 80.7% +16.5%
CHIDIAC, NICHOLAS J 1 53.5% +34.8%
KHATRI, PRASHANT J 1 60.7% +28.8%
NGUYEN, HAIDUNG D 1 65.1% +28.1%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18019502 RESIN PELLET, METHOD OF ITS MANUFACTURING, AND MOLDED PRODUCT THEREOF MIGGINS, MICHAEL C 16d

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18013595 MOLD PART USED FOR INJECTION MOLDING OF THERMOPLASTIC RESIN AND INJECTION MOLDING METHOD OF THERMOPLASTIC RESIN CHIDIAC, NICHOLAS J 87d overdue
18035700 FLUORINE-BASED SOLVENT COMPOSITION BOYER, CHARLES I 73d overdue
17436124 SOLVENT FOR GAS CHROMATOGRAPY MASS SPECTOMETRY, AND METHOD FOR DETERMINATION OF FLUORINE-CONTAINING SUBSTANCES ON THE SURFACE OF FLUORORESIN MELT-MOLDED PRODUCTS NGUYEN, HAIDUNG D 66d overdue
17923966 POROUS MEMBRANE OF POLYTETRAFLUOROETHYLENE AND/OR MODIFIED POLYTETRAFLUOROETHYLENE HAVING HIGH STRENGTH AND SMALL PORE DIAMETER KHATRI, PRASHANT J 32d overdue
18278026 POWDER COATING COMPOSITION VAN SELL, NATHAN L 28d overdue
18019502 RESIN PELLET, METHOD OF ITS MANUFACTURING, AND MOLDED PRODUCT THEREOF MIGGINS, MICHAEL C 16d
18026884 COMPRESSION MOLDING COMPOSITION, METHOD FOR PRODUCING THE SAME, AND MOLDED PRODUCT WU, ANDREA 62d

Top Art Units

Art UnitApps
1783 2
1761 2
1765 1
1763 1
1782 1
1744 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18278026 POWDER COATING COMPOSITION VAN SELL, NATHAN L 1783 §103 Final Rejection 28d overdue Pending Aug 21, 2023
18039847 FLUORORESIN BUTTNER, DAVID J 1765 Other Non-Final OA 58d overdue Pending Jun 01, 2023
18035700 FLUORINE-BASED SOLVENT COMPOSITION BOYER, CHARLES I 1761 §103 Final Rejection 73d overdue Pending May 05, 2023
18026884 COMPRESSION MOLDING COMPOSITION, METHOD FOR PRODUCING THE SAME, AND MOLDED PRODUCT WU, ANDREA 1763 §103 Non-Final OA 62d Pending Mar 17, 2023
18019502 RESIN PELLET, METHOD OF ITS MANUFACTURING, AND MOLDED PRODUCT THEREOF MIGGINS, MICHAEL C 1782 §103 Final Rejection 16d Pending Feb 03, 2023
18013595 MOLD PART USED FOR INJECTION MOLDING OF THERMOPLASTIC RESIN AND INJECTION MOLDING METHOD OF THERMOPLASTIC RESIN CHIDIAC, NICHOLAS J 1744 §103 Final Rejection 87d overdue Pending Dec 29, 2022
17923966 POROUS MEMBRANE OF POLYTETRAFLUOROETHYLENE AND/OR MODIFIED POLYTETRAFLUOROETHYLENE HAVING HIGH STRENGTH AND SMALL PORE DIAMETER KHATRI, PRASHANT J 1783 §103 Non-Final OA 32d overdue Pending Nov 08, 2022
17436124 SOLVENT FOR GAS CHROMATOGRAPY MASS SPECTOMETRY, AND METHOD FOR DETERMINATION OF FLUORINE-CONTAINING SUBSTANCES ON THE SURFACE OF FLUORORESIN MELT-MOLDED PRODUCTS NGUYEN, HAIDUNG D 1761 §103 Final Rejection 66d overdue Pending Sep 03, 2021

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