Prosecution Insights
Last updated: October 25, 2026

Les Laboratoires Servier

Technology area: Biotechnology & Pharmaceuticals

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

Analysis

Les Laboratoires Servier has 6 pending office actions in Biotechnology & Pharmaceuticals. The portfolio spans 6 distinct examiners and 4 distinct art units, indicating broad examiner distribution with some shared technical-unit coverage.

CHENG, KAREN is the busiest examiner, with 1 pending action. A centralized review can identify recurring pharmaceutical issues, while response preparation remains organized by examiner and art unit.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

6
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
2
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.

0
Hard (0%)
5
Medium (83%)
1
Easy (17%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (50%)
§112 only1 (17%)
Double-patenting + other2 (33%)

Industry Mix

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

6
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.

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
CHENG, KAREN 1 76.4% +26.6%
BERRY, LAYLA D 1 66.0% +9.0%
STONEBRAKER, ALYSSA RAE 1 58.9% +49.4%
LEE, HOI YAN NMN 1 37.5% +76.2%
VAN DRUFF, SYDNEY 1 55.3% +32.0%
SKOKO III, JOHN JOSEPH 1 53.0% +55.2%

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
17613006 MCL-1 INHIBITOR ANTIBODY-DRUG CONJUGATES AND METHODS OF USE SKOKO III, JOHN JOSEPH 31d overdue
18702363 TRIMETAZIDINE SALTS CHENG, KAREN —
18038435 BCL-XL INHIBITOR ANTIBODY-DRUG CONJUGATES AND METHODS OF USE THEREOF STONEBRAKER, ALYSSA RAE —
18004468 DIOSMIN PREPARATION METHOD LEE, HOI YAN NMN —
17998368 PARA-AMINO-BENZYL LINKERS, PROCESS FOR THEIR PREPARATION AND THEIR USE IN CONJUGATES VAN DRUFF, SYDNEY —

Top Art Units

Art UnitApps
1693 2
1643 2
1623 1
1642 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18702363 TRIMETAZIDINE SALTS CHENG, KAREN 1623 §103 Non-Final OA — Pending Apr 18, 2024
18574801 PROCESS FOR PREPARING DIOSMIN AND FLAVONOID FRACTION BERRY, LAYLA D 1693 §112 Non-Final OA — Pending Dec 28, 2023
18038435 BCL-XL INHIBITOR ANTIBODY-DRUG CONJUGATES AND METHODS OF USE THEREOF STONEBRAKER, ALYSSA RAE 1642 §103§112DP Non-Final OA — Pending May 23, 2023
18004468 DIOSMIN PREPARATION METHOD LEE, HOI YAN NMN 1693 §103 Non-Final OA — Pending Jan 06, 2023
17998368 PARA-AMINO-BENZYL LINKERS, PROCESS FOR THEIR PREPARATION AND THEIR USE IN CONJUGATES VAN DRUFF, SYDNEY 1643 §103 Non-Final OA — Pending Nov 10, 2022
17613006 MCL-1 INHIBITOR ANTIBODY-DRUG CONJUGATES AND METHODS OF USE SKOKO III, JOHN JOSEPH 1643 §112DP Final Rejection 31d overdue Pending Nov 19, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Les Laboratoires Servier have?

Les Laboratoires Servier has 6 pending office actions as of October 2026, spread across 4 art units and 6 examiners.

Which USPTO examiner handles the most Les Laboratoires Servier applications?

Karen Cheng has the most, with 1 of Les Laboratoires Servier's pending office actions.

What technology area are Les Laboratoires Servier's patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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