Prosecution Insights
Last updated: October 04, 2026

Qilu Pharmaceutical Co. Ltd.

Technology area: Biotechnology & Pharmaceuticals

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Qilu Pharmaceutical Co. Ltd. maintains 1 pending office action focused in the Biotechnology & Pharmaceuticals technology area. The portfolio's current activity is limited to 1 distinct examiner and 1 distinct art unit, reflecting a narrow point of contact with the patent office. This concentration suggests that the company's immediate legal efforts are focused on a specific technological niche within the broader pharmaceutical landscape. Such a focused approach can simplify the management of deadlines and examiner communications.

KASSA, TIGABU serves as the busiest examiner for the company, holding 1 busiest examiner pending action. Because this examiner manages the only open action, the prosecution strategy for the Biotechnology & Pharmaceuticals filings is currently centralized under this individual's review. Practitioners should note that the lack of diversity in examiners means the portfolio's short-term success is highly dependent on the specific examination style and prior art interpretations of this 1 official.

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

Portfolio Summary

1
Total Pending OAs
1
Non-Final OAs
0
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
0
Due this month
0
Due in next 60 days
1
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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

Industry Mix

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

1
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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KASSA, TIGABU 1 36.7% +27.9%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18557535 PHARMACEUTICAL COMPOSITION, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF KASSA, TIGABU 70d

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18557535 PHARMACEUTICAL COMPOSITION, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF KASSA, TIGABU 70d

Top Art Units

Art UnitApps
1619 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18557535 PHARMACEUTICAL COMPOSITION, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF KASSA, TIGABU 1619 §103§112 Non-Final OA 70d Pending Oct 26, 2023

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