Prosecution Insights
Last updated: October 25, 2026

Phoenixbio Co. Ltd.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

Phoenixbio Co. Ltd. has 3 pending office actions in the Biotechnology & Pharmaceuticals technology area. These actions are distributed across 3 distinct examiners and the same number of distinct art units. GONZALES, JOSEPHINE MARIA is the busiest examiner with 1 pending action.

This distribution suggests that each of the 3 pending matters is being evaluated independently by different examiners in different technical groups. Because there are 3 distinct examiners involved, practitioners should tailor their strategies to each individual. The busiest examiner handles only 1 of the pending actions.

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

Portfolio Summary

3
Total Pending OAs
2
Non-Final OAs
0
Final Rejections
1
Advisory / Quayle

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

Rejection Statute Mix

BucketCases
§101 + other1 (33%)
Multi-statute (no §101)2 (67%)

Industry Mix

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

3
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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
GONZALES, JOSEPHINE MARIA 1 28.8% +34.6%
RAHMAN, MASUDUR 1 72.9% +31.7%
ZHU, JIANJIAN 1 58.1% +82.5%

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
19044583 HUMAN FATTY-LIVER MODEL CELLS GONZALES, JOSEPHINE MARIA —
18696866 HUMAN HEPATOCYTE CULTURE MEDIUM AND CONDITIONED MEDIUM OF IN VITRO CULTURED HUMAN HEPATOCYTES AND USES THEREOF RAHMAN, MASUDUR —
18278605 HUMAN FATTY-LIVER MODEL CELLS FOR USE IN SCREENING METHOD ZHU, JIANJIAN —

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
19044583 HUMAN FATTY-LIVER MODEL CELLS GONZALES, JOSEPHINE MARIA —
18696866 HUMAN HEPATOCYTE CULTURE MEDIUM AND CONDITIONED MEDIUM OF IN VITRO CULTURED HUMAN HEPATOCYTES AND USES THEREOF RAHMAN, MASUDUR —
18278605 HUMAN FATTY-LIVER MODEL CELLS FOR USE IN SCREENING METHOD ZHU, JIANJIAN —

Top Art Units

Art UnitApps
1638 1
1633 1
1631 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19044583 HUMAN FATTY-LIVER MODEL CELLS GONZALES, JOSEPHINE MARIA 1638 §101§102§103 Non-Final OA — Pending Feb 03, 2025
18696866 HUMAN HEPATOCYTE CULTURE MEDIUM AND CONDITIONED MEDIUM OF IN VITRO CULTURED HUMAN HEPATOCYTES AND USES THEREOF RAHMAN, MASUDUR 1633 §102§103§112 Non-Final OA — Pending Mar 28, 2024
18278605 HUMAN FATTY-LIVER MODEL CELLS FOR USE IN SCREENING METHOD ZHU, JIANJIAN 1631 §103§112Other Non-Final OA — Pending Aug 23, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Phoenixbio Co. Ltd. have?

Phoenixbio Co. Ltd. has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Phoenixbio Co. Ltd. applications?

Josephine Maria Gonzales has the most, with 1 of Phoenixbio Co. Ltd.'s pending office actions.

What technology area are Phoenixbio Co. Ltd.'s patent applications in?

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

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