Prosecution Insights
Last updated: October 21, 2026

Shanghai Iaso Biotechnology 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

Analysis

Shanghai Iaso Biotechnology Co. Ltd. operates a company patent portfolio in the Biotechnology & Pharmaceuticals technology area. The portfolio currently faces 1 pending office action. This single action is assigned to a distinct examiner and a matching number of distinct art units, indicating a highly concentrated prosecution environment. This concentration suggests that the company's current legal challenges are confined to a specific technical niche.

METCALF, MATTHEW CURRAN is identified as the busiest examiner for this portfolio. This examiner is responsible for a portion of the active workload. Because the busiest examiner's workload matches the total count of active actions, this individual handles the entirety of the company's current patent challenges. This alignment means that the company's immediate success at the patent office depends entirely on the outcome of this review.

The presence of 1 distinct art unit suggests a narrow technological focus within the Biotechnology & Pharmaceuticals sector. Practitioners should prepare for a consistent examination style, as all current feedback originates from a single source. This streamlined structure allows the company to focus its resources on a single point of contact rather than managing multiple disparate prosecution tracks. Resolving the issues raised by METCALF, MATTHEW CURRAN is the primary path forward.

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

Portfolio Summary

1
Total Pending OAs
0
Non-Final OAs
1
Final Rejections
0
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.

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
METCALF, MATTHEW CURRAN 1 37.5% +71.4%

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
18550338 UNIVERSAL CHIMERIC ANTIGEN RECEPTOR T-CELL AND APPLICATION THEREOF METCALF, MATTHEW CURRAN —

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
18550338 UNIVERSAL CHIMERIC ANTIGEN RECEPTOR T-CELL AND APPLICATION THEREOF METCALF, MATTHEW CURRAN —

Top Art Units

Art UnitApps
1647 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18550338 UNIVERSAL CHIMERIC ANTIGEN RECEPTOR T-CELL AND APPLICATION THEREOF METCALF, MATTHEW CURRAN 1647 §102§103§112 Final Rejection — Pending Sep 13, 2023

Managing Shanghai Iaso Biotechnology Co. Ltd.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Frequently Asked Questions

How many pending USPTO office actions does Shanghai Iaso Biotechnology Co. Ltd. have?

Shanghai Iaso Biotechnology Co. Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Shanghai Iaso Biotechnology Co. Ltd. applications?

Matthew Curran Metcalf has the most, with 1 of Shanghai Iaso Biotechnology Co. Ltd.'s pending office actions.

What technology area are Shanghai Iaso Biotechnology Co. Ltd.'s patent applications in?

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

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month