Prosecution Insights
Last updated: August 16, 2026

Huntsman International LLC

11 pending office actions • 7 art units • 9 examiners • 0 of 11 (0%) have an AI response strategy ready • 9 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
5
Non-Final OAs
4
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
0
Due this month
1
Due in next 60 days
2
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. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 60 days (1)Due later (2)

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.

3
Hard (27%)
8
Medium (73%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only6 (55%)
§102 only1 (9%)
Double-patenting + other1 (9%)
Multi-statute (no §101)3 (27%)

Industry Mix

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

10
Life Sciences
91% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
1
Business / Other
9% 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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
RIOJA, MELISSA A 2 49.5% +53.9%
RIETH, STEPHEN EDWARD 2 45.4% +32.7%
COONEY, JOHN M 1 62.5% +21.2%
ROSEBACH, CHRISTINA H.W. 1 58.8% -34.7%
XU, JIANGTIAN 1 65.3% +34.5%
KRYLOVA, IRINA 1 36.5% +48.2%
DELCOTTO, GREGORY R 1 53.9% +75.8%
HARRIS, BRITTANY SHARON 1 47.1% +24.5%
SLAUGOVSKY, RACHEL MARIE 1 65.7% +42.5%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
17785614 FLAME, SMOKE AND TOXICITY RETARDANT COMPOSITION FOR USE IN POLYURETHANE/POLYISOCYANURATE COMPRISING FOAMS RIETH, STEPHEN EDWARD 72d
18862972 HIGH TEMPERATURE STABLE SANDWICH PANELS ROSEBACH, CHRISTINA H.W.
18692073 HINDERED ETHERAMINE POLYURETHANE CATALYSTS RIETH, STEPHEN EDWARD

Interview Candidates (10)

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
18019415 A REACTION MIXTURE FOR MANUFACTURING AN INORGANIC-FILLER BASED CLOSED-CELL RIGID POLYURETHANE OR POLYISOCYANURATE CONTAINING FOAM KRYLOVA, IRINA 43d overdue
17627387 ACID-BLOCKED PYRROLIDINE CATALYSTS FOR POLYURETHANE FOAM RIOJA, MELISSA A 2d overdue
18020313 Amine Oxides for Etching, Stripping and Cleaning Applications HARRIS, BRITTANY SHARON 41d
18023989 A POLYISOCYANATE COMPOSITION AND A POLYURETHANE COMPOSITION OBTAINED THEREFROM XU, JIANGTIAN 70d
17785614 FLAME, SMOKE AND TOXICITY RETARDANT COMPOSITION FOR USE IN POLYURETHANE/POLYISOCYANURATE COMPRISING FOAMS RIETH, STEPHEN EDWARD 72d
19354003 POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING A STABILIZING COMPOUND COONEY, JOHN M
17928558 USE OF EPOXY COMPOUNDS AS CARBON DIOXIDE SCAVENGERS IN PIR COMPRISING FOAMS FOR SUPERIOR THERMAL INSULATION PROPERTIES RIOJA, MELISSA A
18692073 HINDERED ETHERAMINE POLYURETHANE CATALYSTS RIETH, STEPHEN EDWARD

Top Art Units

Art UnitApps
1764 3
1761 2
1765 1
1741 1
1762 1
1759 1
1776 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19354003 POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING A STABILIZING COMPOUND COONEY, JOHN M 1765 §102 Non-Final OA Pending Oct 09, 2025
18862972 HIGH TEMPERATURE STABLE SANDWICH PANELS ROSEBACH, CHRISTINA H.W. 1741 §102§103§112Other Non-Final OA Pending Nov 05, 2024
18023989 A POLYISOCYANATE COMPOSITION AND A POLYURETHANE COMPOSITION OBTAINED THEREFROM XU, JIANGTIAN 1762 §103 Final Rejection 70d Pending Feb 28, 2023
18019415 A REACTION MIXTURE FOR MANUFACTURING AN INORGANIC-FILLER BASED CLOSED-CELL RIGID POLYURETHANE OR POLYISOCYANURATE CONTAINING FOAM KRYLOVA, IRINA 1764 §103DP Non-Final OA 43d overdue Pending Feb 02, 2023
17928558 USE OF EPOXY COMPOUNDS AS CARBON DIOXIDE SCAVENGERS IN PIR COMPRISING FOAMS FOR SUPERIOR THERMAL INSULATION PROPERTIES RIOJA, MELISSA A 1764 §103 Non-Final OA Pending Nov 29, 2022
17785614 FLAME, SMOKE AND TOXICITY RETARDANT COMPOSITION FOR USE IN POLYURETHANE/POLYISOCYANURATE COMPRISING FOAMS RIETH, STEPHEN EDWARD 1759 §102§112Other Final Rejection 72d Pending Jun 15, 2022
18692073 HINDERED ETHERAMINE POLYURETHANE CATALYSTS RIETH, STEPHEN EDWARD §102§103 Non-Final OA Pending Mar 14, 2024
18286404 HYDROPHILIC POLYETHER AMINE SOLUTION AND USES THEREOF DELCOTTO, GREGORY R 1761 §103 Non-Final OA Pending Oct 11, 2023
18020313 Amine Oxides for Etching, Stripping and Cleaning Applications HARRIS, BRITTANY SHARON 1761 §103 Non-Final OA 41d Pending Feb 08, 2023
17915627 Process for Conversion of Bis(hydroxyethylethoxy)-urea to DGA SLAUGOVSKY, RACHEL MARIE 1776 §103 Final Rejection Pending Sep 29, 2022
17627387 ACID-BLOCKED PYRROLIDINE CATALYSTS FOR POLYURETHANE FOAM RIOJA, MELISSA A 1764 §103 Final Rejection 2d overdue Pending Jan 14, 2022

Managing Huntsman International LLC'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