Prosecution Insights
Last updated: October 04, 2026

W. R. Grace & Co.-conn.

Technology area: Chemistry & Materials

9 pending office actions • 5 art units • 8 examiners • 0 of 9 (0%) have an AI response strategy ready • 8 patents granted in the last 365 days

Portfolio Summary

9
Total Pending OAs
8
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

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.

5
Hard (56%)
3
Medium (33%)
1
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (33%)
§112 only1 (11%)
Multi-statute (no §101)5 (56%)

Industry Mix

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

4
Life Sciences
44% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
5
Business / Other
56% 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
LEE, RIP A 2 83.5% -4.2%
DIAMOND, ALAN D 1 71.5% +8.5%
CAMPANELL, FRANCIS C 1 72.9% +9.5%
TESKIN, FRED M 1 89.6% +8.0%
ZHANG, RUIYUN 1 70.4% +10.6%
LING, DORIS 1 25.0% +27.3%
HENDRICKSON, STUART L 1 72.3% +8.0%
STEIN, MICHELLE 1 45.2% +35.6%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18039704 POLYPROPYLENE POLYMER FOR PRODUCING BIAXIALLY ORIENTED FILMS AND OTHER ARTICLES LEE, RIP A 22d overdue
18576017 PROPYLENE TERPOLYMER AND HEAT SEAL FILMS MADE THEREFROM LEE, RIP A —

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
19637750 CATALYST COMPOSITION AND SYSTEM HAVING EXTENDED LIFETIME DIAMOND, ALAN D —
18879343 FCC PROCESS USEFUL FOR PRODUCTION OF PETROCHEMICALS CAMPANELL, FRANCIS C —
18682388 PROCESS FOR PRODUCING POLYOLEFIN GRANULAR RESIN WITH INCREASED SETTLED BULK DENSITY TESKIN, FRED M —
18568565 POLYPROPYLENE RANDOM COPOLYMER FOR THREE-DIMENSIONAL PRINTING AND FILAMENT MADE THEREFROM ZHANG, RUIYUN —
18560378 POLYETHYLENE COPOLYMER WITH BROAD SHORT CHAIN BRANCHING DISTRIBUTION LING, DORIS —
18282491 STATIONARY PHASE FOR PURIFICATION OF CANNABIDIOL WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY HENDRICKSON, STUART L —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18568565 POLYPROPYLENE RANDOM COPOLYMER FOR THREE-DIMENSIONAL PRINTING AND FILAMENT MADE THEREFROM ZHANG, RUIYUN —
18560378 POLYETHYLENE COPOLYMER WITH BROAD SHORT CHAIN BRANCHING DISTRIBUTION LING, DORIS —
18016099 PROCESS FOR CATALYTIC CRACKING AND EQUILIBRIUM FCC CATALYST STEIN, MICHELLE —

Top Art Units

Art UnitApps
3991 1
1763 1
1736 1
1762 1
1771 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19637750 CATALYST COMPOSITION AND SYSTEM HAVING EXTENDED LIFETIME DIAMOND, ALAN D 3991 §103§112Other Non-Final OA — Pending Apr 02, 2026
18879343 FCC PROCESS USEFUL FOR PRODUCTION OF PETROCHEMICALS CAMPANELL, FRANCIS C — §103§112 Non-Final OA — Pending Dec 27, 2024
18682388 PROCESS FOR PRODUCING POLYOLEFIN GRANULAR RESIN WITH INCREASED SETTLED BULK DENSITY TESKIN, FRED M — §103§112 Non-Final OA — Pending Feb 08, 2024
18576017 PROPYLENE TERPOLYMER AND HEAT SEAL FILMS MADE THEREFROM LEE, RIP A 1763 §112 Non-Final OA — Pending Jan 02, 2024
18568565 POLYPROPYLENE RANDOM COPOLYMER FOR THREE-DIMENSIONAL PRINTING AND FILAMENT MADE THEREFROM ZHANG, RUIYUN — §102§103§112 Non-Final OA — Pending Dec 08, 2023
18560378 POLYETHYLENE COPOLYMER WITH BROAD SHORT CHAIN BRANCHING DISTRIBUTION LING, DORIS — §103 Non-Final OA — Pending Nov 10, 2023
18282491 STATIONARY PHASE FOR PURIFICATION OF CANNABIDIOL WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY HENDRICKSON, STUART L 1736 §103§112 Non-Final OA — Pending Sep 15, 2023
18039704 POLYPROPYLENE POLYMER FOR PRODUCING BIAXIALLY ORIENTED FILMS AND OTHER ARTICLES LEE, RIP A 1762 §103 Final Rejection 22d overdue Pending May 31, 2023
18016099 PROCESS FOR CATALYTIC CRACKING AND EQUILIBRIUM FCC CATALYST STEIN, MICHELLE 1771 §103 Non-Final OA — Pending Jan 13, 2023

Managing W. R. Grace & Co.-conn.'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