Prosecution Insights
Last updated: August 16, 2026

West Pharmaceutical Services Inc.

7 pending office actions • 3 art units • 7 examiners • 0 of 7 (0%) have an AI response strategy ready • 8 patents granted in the last 365 days

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
2
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.

0
Overdue
0
Due this week
1
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.

4
Hard (57%)
3
Medium (43%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (43%)
Multi-statute (no §101)4 (57%)

Industry Mix

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

1
Life Sciences
14% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
6
Mechanical / Eng
86% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SEBASCO CHENG, STEPHANIE 1 58.7% +71.1%
PRICE, NATHAN R 1 52.7% +39.8%
WALLENHORST, MAUREEN 1 78.9% +5.7%
RODRIGUEZ, CRIS LOIREN 1 25.1% +10.1%
LANGE, ERIC A 1 78.3% +10.6%
ALVARADO JR, NELSON LOUIS 1 86.7% +18.2%
PAZ ESTEVEZ, GUILLERMO G 1 15.4% +13.9%

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
17791574 PRIMARY CONTAINER ASSEMBLY WITH INTEGRATED FLUID PATH ALVARADO JR, NELSON LOUIS

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18286939 POWER PACK FOR AN INJECTION DEVICE SEBASCO CHENG, STEPHANIE 9d
18376372 METHODS AND ADAPTERS FOR MIXING PHARMACEUTICAL COMPLEXES PRICE, NATHAN R
18376397 MICROFLUIDIC MIXING AND/OR SEPARATER WALLENHORST, MAUREEN
18355487 STERILE DRUG CHAMBER VALVE RODRIGUEZ, CRIS LOIREN
17633220 PALM ACTIVATED DRUG DELIVERY DEVICE PAZ ESTEVEZ, GUILLERMO G

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
18286939 POWER PACK FOR AN INJECTION DEVICE SEBASCO CHENG, STEPHANIE 9d
18376372 METHODS AND ADAPTERS FOR MIXING PHARMACEUTICAL COMPLEXES PRICE, NATHAN R
18355487 STERILE DRUG CHAMBER VALVE RODRIGUEZ, CRIS LOIREN
18037305 CONNECTION SYSTEM FOR A DRUG DELIVERY DEVICE LANGE, ERIC A
17791574 PRIMARY CONTAINER ASSEMBLY WITH INTEGRATED FLUID PATH ALVARADO JR, NELSON LOUIS
17633220 PALM ACTIVATED DRUG DELIVERY DEVICE PAZ ESTEVEZ, GUILLERMO G

Top Art Units

Art UnitApps
3783 5
3741 1
1797 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18286939 POWER PACK FOR AN INJECTION DEVICE SEBASCO CHENG, STEPHANIE 3741 §102§112 Final Rejection 9d Pending Oct 13, 2023
18376372 METHODS AND ADAPTERS FOR MIXING PHARMACEUTICAL COMPLEXES PRICE, NATHAN R 3783 §102§103§112 Non-Final OA Pending Oct 03, 2023
18376397 MICROFLUIDIC MIXING AND/OR SEPARATER WALLENHORST, MAUREEN 1797 §102§103§112Other Non-Final OA Pending Oct 03, 2023
18355487 STERILE DRUG CHAMBER VALVE RODRIGUEZ, CRIS LOIREN 3783 §102§112 Non-Final OA Pending Jul 20, 2023
18037305 CONNECTION SYSTEM FOR A DRUG DELIVERY DEVICE LANGE, ERIC A 3783 §103 Final Rejection Pending May 16, 2023
17791574 PRIMARY CONTAINER ASSEMBLY WITH INTEGRATED FLUID PATH ALVARADO JR, NELSON LOUIS 3783 §103 Non-Final OA Pending Jul 08, 2022
17633220 PALM ACTIVATED DRUG DELIVERY DEVICE PAZ ESTEVEZ, GUILLERMO G 3783 §103 Non-Final OA Pending Feb 07, 2022

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