Prosecution Insights
Last updated: May 29, 2026

Huntsman International LLC

11 pending office actions • 8 art units • 9 examiners • 0 of 11 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
5
Non-Final OAs
6
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 11 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

4
Overdue
1
Due this week
2
Due this month
2
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. 11 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (4)Due ≤ 7 days (1)Due ≤ 30 days (2)Due ≤ 60 days (2)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.

0
Hard (0%)
9
Medium (82%)
0
Easy (0%)
2
Unknown (18%)

Rejection Statute Mix

BucketCases
§103 only7 (64%)
§102 only2 (18%)
No statute on record2 (18%)

Industry Mix

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

11
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.

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 3 49.6% +54.7%
WANG, ALEXANDER A 1 65.6% +21.4%
LEONARD, MICHAEL L 1 63.7% +7.9%
OLADAPO, TAIWO 1 53.0% +11.3%
XU, JIANGTIAN 1 65.5% +33.9%
KRYLOVA, IRINA 1 36.4% +47.9%
SERGENT, RABON A 1 54.2% +24.7%
RIETH, STEPHEN EDWARD 1 44.9% +32.6%
QIAN, YUN 1 54.5% +20.8%

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
17577896 Polyisocyanate Trimerization Catalyst Composition QIAN, YUN 87d overdue
18019415 A REACTION MIXTURE FOR MANUFACTURING AN INORGANIC-FILLER BASED CLOSED-CELL RIGID POLYURETHANE OR POLYISOCYANURATE CONTAINING FOAM KRYLOVA, IRINA 43d overdue
17998435 A BINDER COMPOSITION SERGENT, RABON A 31d overdue
18032235 ELASTOMERIC POLYURETHANE-POLYUREA COMPRISING WATER BLOWN FOAM HAVING IMPROVED MECHANICAL PROPERTIES RIOJA, MELISSA A 5d
18039302 AROMATIC POLYESTER POLYOL COMPOUND RIOJA, MELISSA A 27d
18039319 A POLYURETHANE FOAM COMPOSITION COMPRISING AN AROMATIC POLYESTER POLYOL COMPOUND AND PRODUCTS MADE THEREFROM RIOJA, MELISSA A 29d
18039426 A THERMOPLASTIC POLYURETHANE RESIN COMPOSITION OLADAPO, TAIWO 34d
18282337 METHOD FOR MAKING A LOW DENSITY THERMALLY RECYCLABLE POLYMER FOAM WANG, ALEXANDER A 40d

Top Art Units

Art UnitApps
1764 4
1741 1
1763 1
1771 1
1762 1
1765 1
1759 1
1738 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18282337 METHOD FOR MAKING A LOW DENSITY THERMALLY RECYCLABLE POLYMER FOAM WANG, ALEXANDER A 1741 §103 Non-Final OA 40d Pending Sep 15, 2023
18266442 UPGRADED STABILIZED POLYOL COMPOSITION LEONARD, MICHAEL L 1763 §103 Non-Final OA 32d overdue Pending Jun 09, 2023
18039426 A THERMOPLASTIC POLYURETHANE RESIN COMPOSITION OLADAPO, TAIWO 1771 §103 Final Rejection 34d Pending May 30, 2023
18039302 AROMATIC POLYESTER POLYOL COMPOUND RIOJA, MELISSA A 1764 §103 Final Rejection 27d Pending May 30, 2023
18039319 A POLYURETHANE FOAM COMPOSITION COMPRISING AN AROMATIC POLYESTER POLYOL COMPOUND AND PRODUCTS MADE THEREFROM RIOJA, MELISSA A 1764 Other Final Rejection 29d Pending May 30, 2023
18032235 ELASTOMERIC POLYURETHANE-POLYUREA COMPRISING WATER BLOWN FOAM HAVING IMPROVED MECHANICAL PROPERTIES RIOJA, MELISSA A 1764 §103 Final Rejection 5d Pending Apr 17, 2023
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 Other Non-Final OA 43d overdue Pending Feb 02, 2023
17998435 A BINDER COMPOSITION SERGENT, RABON A 1765 §103 Non-Final OA 31d overdue Pending Nov 10, 2022
17785614 FLAME, SMOKE AND TOXICITY RETARDANT COMPOSITION FOR USE IN POLYURETHANE/POLYISOCYANURATE COMPRISING FOAMS RIETH, STEPHEN EDWARD 1759 §102 Non-Final OA 72d Pending Jun 15, 2022
17577896 Polyisocyanate Trimerization Catalyst Composition QIAN, YUN 1738 §102 Final Rejection 87d overdue Pending Jan 18, 2022

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