Prosecution Insights
Last updated: October 25, 2026

Huyabio International LLC

Technology areas: Biotechnology & Pharmaceuticals • Medical Devices & Mechanical Engineering

5 pending office actions • 5 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Huyabio International LLC is currently managing 4 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed across 4 distinct art units, which indicates that the company's filings span several specialized technical groups within the patent office. The prosecution involves 4 distinct examiners, meaning that every pending action is currently being reviewed by a different individual. This high ratio of examiners to actions suggests a broad and decentralized prosecution landscape for the company.

OUSPENSKI, ILIA I is designated as the busiest examiner for the portfolio, currently holding 1 busiest examiner pending office action. Although OUSPENSKI, ILIA I is the busiest, the 1 busiest examiner pending action represents only a portion of the 4 pending office actions total. The fact that 4 distinct examiners are involved across 4 distinct art units suggests that the company must manage multiple distinct examiner styles. This distribution of 4 pending office actions requires a coordinated effort to maintain consistency across the Biotechnology & Pharmaceuticals portfolio.

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

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
1
Due this month
0
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 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.

1
Hard (20%)
4
Medium (80%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (60%)
Double-patenting + other1 (20%)
Multi-statute (no §101)1 (20%)

Industry Mix

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

4
Life Sciences
80% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
20% 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.

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
OUSPENSKI, ILIA I 1 77.3% +20.6%
RAO, SAVITHA M 1 60.7% +29.7%
TOWNSLEY, SARA ELIZABETH 1 25.6% +48.2%
ELENISTE, PIERRE PAUL 1 35.4% +31.1%
BUTTICE, AUDREY L 1 46.6% +26.0%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18351439 COMBINATION THERAPIES OF WDR-5 INHIBITORS AND PD-1 INHIBITORS TOWNSLEY, SARA ELIZABETH 22d overdue
18120311 MLL1-WDR5 PROTEIN-PROTEIN INTERACTION INHIBITOR COMPOUNDS AND USES THEREOF ELENISTE, PIERRE PAUL 8d

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
16894532 TRIPLET THERAPIES OF HDAC INHIBITORS, PD-L1 AND/OR PD-1 INHIBITORS, AND CTLA-4 INHIBITORS BUTTICE, AUDREY L 35d overdue
18351439 COMBINATION THERAPIES OF WDR-5 INHIBITORS AND PD-1 INHIBITORS TOWNSLEY, SARA ELIZABETH 22d overdue
18120311 MLL1-WDR5 PROTEIN-PROTEIN INTERACTION INHIBITOR COMPOUNDS AND USES THEREOF ELENISTE, PIERRE PAUL 8d
18421171 METHODS AND COMPOSITIONS COMPRISING A CARDIO-TOLERATED HDAC INHIBITOR OUSPENSKI, ILIA I —
18517019 Combination Therapies Comprising Kras Inhibitors and SPH2 Inhibitors RAO, SAVITHA M —

Top Art Units

Art UnitApps
3792 1
1691 1
1629 1
1622 1
1647 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18421171 METHODS AND COMPOSITIONS COMPRISING A CARDIO-TOLERATED HDAC INHIBITOR OUSPENSKI, ILIA I 3792 §102§112DP Non-Final OA — Pending Jan 24, 2024
18517019 Combination Therapies Comprising Kras Inhibitors and SPH2 Inhibitors RAO, SAVITHA M 1691 §103 Non-Final OA — Pending Nov 22, 2023
18351439 COMBINATION THERAPIES OF WDR-5 INHIBITORS AND PD-1 INHIBITORS TOWNSLEY, SARA ELIZABETH 1629 §103 Final Rejection 22d overdue Pending Jul 12, 2023
18120311 MLL1-WDR5 PROTEIN-PROTEIN INTERACTION INHIBITOR COMPOUNDS AND USES THEREOF ELENISTE, PIERRE PAUL 1622 §102§103Other Final Rejection 8d Pending Mar 10, 2023
16894532 TRIPLET THERAPIES OF HDAC INHIBITORS, PD-L1 AND/OR PD-1 INHIBITORS, AND CTLA-4 INHIBITORS BUTTICE, AUDREY L 1647 §103 Final Rejection 35d overdue Pending Jun 05, 2020

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Frequently Asked Questions

How many pending USPTO office actions does Huyabio International LLC have?

Huyabio International LLC has 5 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Huyabio International LLC applications?

Ilia I Ouspenski has the most, with 1 of Huyabio International LLC's pending office actions.

What technology area are Huyabio International LLC's patent applications in?

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

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