Prosecution Insights
Last updated: May 29, 2026

Celanese Eva Performance Polymers LLC

6 pending office actions • 4 art units • 6 examiners • 0 of 6 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Portfolio Summary

6
Total Pending OAs
5
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

-30dToday30d60d90d120d
Overdue (5)Due ≤ 60 days (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%)
5
Medium (83%)
0
Easy (0%)
1
Unknown (17%)

Rejection Statute Mix

BucketCases
§103 only5 (83%)
No statute on record1 (17%)

Industry Mix

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

5
Life Sciences
83% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
17% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
TRUONG, QUANGLONG N 1 78.6% +23.4%
DOUGHERTY, SEAN PATRICK 1 75.1% +14.6%
AZPURU, CARLOS A 1 83.6% +10.4%
BASQUILL, SEAN M 1 38.6% +22.5%
BARBER, KIMBERLY 1 73.3% +14.7%
KWON, JOHN SEUNGJAI 1 45.7% +23.2%

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
18525931 Membrane Layer Containing a Therapeutic Agent for an Analyte Sensor DOUGHERTY, SEAN PATRICK 74d overdue
18432125 Implantable Device for Release of Glucagon-Like Peptide-1 Receptor Agonist TRUONG, QUANGLONG N 51d overdue
17705441 Implantable Medical Device for the Delivery of Nucleic Acid-Encapsulated Particles KWON, JOHN SEUNGJAI 51d overdue
18157134 Method for Prohibiting and/or Treating an Eye Condition BARBER, KIMBERLY 26d overdue
18171406 Intravaginal Ring Device for the Delivery of Aromatase Inhibitor BASQUILL, SEAN M 17d overdue
18456541 Implantable Device for Intratumorally Administering a Therapeutic Agent AZPURU, CARLOS A 34d

Top Art Units

Art UnitApps
1615 3
3791 1
1617 1
1614 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18432125 Implantable Device for Release of Glucagon-Like Peptide-1 Receptor Agonist TRUONG, QUANGLONG N 1615 §103 Non-Final OA 51d overdue Pending Feb 05, 2024
18525931 Membrane Layer Containing a Therapeutic Agent for an Analyte Sensor DOUGHERTY, SEAN PATRICK 3791 §103 Non-Final OA 74d overdue Pending Dec 01, 2023
18456541 Implantable Device for Intratumorally Administering a Therapeutic Agent AZPURU, CARLOS A 1617 Other Final Rejection 34d Pending Aug 28, 2023
18171406 Intravaginal Ring Device for the Delivery of Aromatase Inhibitor BASQUILL, SEAN M 1614 §103 Non-Final OA 17d overdue Pending Feb 20, 2023
18157134 Method for Prohibiting and/or Treating an Eye Condition BARBER, KIMBERLY 1615 §103 Non-Final OA 26d overdue Pending Jan 20, 2023
17705441 Implantable Medical Device for the Delivery of Nucleic Acid-Encapsulated Particles KWON, JOHN SEUNGJAI 1615 §103 Non-Final OA 51d overdue Pending Mar 28, 2022

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