Prosecution Insights
Last updated: August 15, 2026

BEIGENE, LTD.

5 pending office actions • 3 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 14 patents granted in the last 365 days

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
1
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.

3
Hard (60%)
1
Medium (20%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only1 (20%)
§112 only1 (20%)
Multi-statute (no §101)3 (60%)

Industry Mix

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

3
Life Sciences
60% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
40% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KOSACK, JOSEPH R 1 74.8% -5.6%
SHTERENGARTS, SAMANTHA L 1 79.3% +8.0%
AEDER, SEAN E 1 56.9% +19.9%
TOWNSLEY, SARA ELIZABETH 1 24.9% +48.9%
MOU, LIYUAN 1 43.5% +57.7%

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
17629910 DEGRADATION OF BRUTON'S TYROSINE KINASE (BTK) BY CONJUGATION OF BTK INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE MOU, LIYUAN 31d overdue
18245654 Interleukin 15 Constructs and Methods of Use AEDER, SEAN E
18016292 DEGRADATION OF (EGFR) BY CONJUGATION OF EGFR INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE TOWNSLEY, SARA ELIZABETH

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
17629910 DEGRADATION OF BRUTON'S TYROSINE KINASE (BTK) BY CONJUGATION OF BTK INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE MOU, LIYUAN 31d overdue
18245654 Interleukin 15 Constructs and Methods of Use AEDER, SEAN E
18016292 DEGRADATION OF (EGFR) BY CONJUGATION OF EGFR INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE TOWNSLEY, SARA ELIZABETH

Top Art Units

Art UnitApps
1642 1
1629 1
1628 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18926544 Substituted 7-(Pyrimidin-4-yl)Quinolin-4(1H)-One Compounds as Cyclin Dependent Kinase Inhibitors KOSACK, JOSEPH R §102 Non-Final OA Pending Oct 25, 2024
18825776 4-(Aminomethyl)-6-(1-Methyl-1H-Pyrazol-4-YL)Isoquinolin-1(2H)-One Derivatives as MTA-Cooperative Inhibitors of PRMT5 SHTERENGARTS, SAMANTHA L §112 Non-Final OA Pending Sep 05, 2024
18245654 Interleukin 15 Constructs and Methods of Use AEDER, SEAN E 1642 §102§103§112 Non-Final OA Pending Mar 16, 2023
18016292 DEGRADATION OF (EGFR) BY CONJUGATION OF EGFR INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE TOWNSLEY, SARA ELIZABETH 1629 §102§103§112 Final Rejection Pending Jan 13, 2023
17629910 DEGRADATION OF BRUTON'S TYROSINE KINASE (BTK) BY CONJUGATION OF BTK INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE MOU, LIYUAN 1628 §103§112 Non-Final OA 31d overdue Pending Jan 25, 2022

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