Prosecution Insights
Last updated: October 04, 2026

Prelude Corporation

Technology areas: Biotechnology & Pharmaceuticals • Transportation, E-Commerce & Mechanical Systems

4 pending office actions • 4 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Prelude Corporation has 5 pending office actions within the Biotechnology & Pharmaceuticals technology area. These 5 pending office actions are distributed across 5 distinct examiners and 5 distinct art units. This distribution indicates that every active matter in the company's portfolio is being reviewed by a different individual in a unique technical group. For a practitioner, this requires a highly specialized strategy for each of the 5 pending office actions, as there is no overlap in examiners or art units.

The busiest examiner for Prelude Corporation is ILAGAN, VINCENT CAESAR, who is currently managing 1 busiest examiner pending action. With 5 distinct examiners each handling an action, the workload is perfectly spread across the portfolio. No single examiner holds more influence than another over the company's current patent prospects. Success in the Biotechnology & Pharmaceuticals area will depend on the independent outcomes of the 5 pending office actions. Practitioners must navigate the specific requirements of 5 distinct art units and the individual preferences of ILAGAN, VINCENT CAESAR and the other assigned examiners. This structure highlights the diverse technical nature of the company's biotech filings.

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

Portfolio Summary

4
Total Pending OAs
2
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
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 (75%)
1
Medium (25%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (25%)
§103 only1 (25%)
Multi-statute (no §101)2 (50%)

Industry Mix

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

3
Life Sciences
75% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
25% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ILAGAN, VINCENT CAESAR 1 45.0% +73.3%
JONES, DAMERON LEVEST 1 67.7% +31.3%
TURPIN, ZACHARY MARK 1 4.0% -5.0%
GAO, ASHLEY HARTMAN 1 56.7% +38.2%

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
18033054 METHODS FOR TREATING A SUBJECT WITH LOCAL INVASIVE BREAST CANCER BASED ON PDGFRB LEVELS TURPIN, ZACHARY MARK 134d overdue
18998333 IDENTIFICATION AND METHODS OF TREATMENT OF BREAST CANCER ILAGAN, VINCENT CAESAR 3d overdue
17998334 PD-1 AS A PREDICTIVE MARKER FOR THERAPY IN CANCER JONES, DAMERON LEVEST —

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
18998333 IDENTIFICATION AND METHODS OF TREATMENT OF BREAST CANCER ILAGAN, VINCENT CAESAR 3d overdue
17998334 PD-1 AS A PREDICTIVE MARKER FOR THERAPY IN CANCER JONES, DAMERON LEVEST —
17275406 METHOD OF SELECTION FOR TREATMENT OF SUBJECTS AT RISK OF INVASIVE BREAST CANCER GAO, ASHLEY HARTMAN —

Top Art Units

Art UnitApps
3686 1
1618 1
1682 1
1678 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18998333 IDENTIFICATION AND METHODS OF TREATMENT OF BREAST CANCER ILAGAN, VINCENT CAESAR 3686 §101§103 Final Rejection 3d overdue Pending Jan 24, 2025
17998334 PD-1 AS A PREDICTIVE MARKER FOR THERAPY IN CANCER JONES, DAMERON LEVEST 1618 §103§112 Non-Final OA — Pending Aug 11, 2023
18033054 METHODS FOR TREATING A SUBJECT WITH LOCAL INVASIVE BREAST CANCER BASED ON PDGFRB LEVELS TURPIN, ZACHARY MARK 1682 §102§103§112 Final Rejection 134d overdue Pending Apr 20, 2023
17275406 METHOD OF SELECTION FOR TREATMENT OF SUBJECTS AT RISK OF INVASIVE BREAST CANCER GAO, ASHLEY HARTMAN 1678 §103Other Non-Final OA — Pending Mar 11, 2021

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