Prosecution Insights
Last updated: October 04, 2026

Lung Biotechnology Pbc

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

5 pending office actions • 3 art units • 3 examiners • 0 of 5 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Analysis

Lung Biotechnology Pbc is navigating the Biotechnology & Pharmaceuticals technology area with 5 pending office actions. This volume of activity indicates an active engagement with the patent office across multiple filings. The company is currently working to resolve these matters to secure its pharmaceutical innovations.

The prosecution of these applications is distributed across 3 distinct examiners and 3 distinct art units. This distribution shows that the company's technology is reviewed by multiple specialized departments. Having 3 distinct examiners means the legal team must manage different examination styles, which can lead to varying outcomes across the 5 pending office actions.

ZHU, JIANJIAN is the busiest examiner for this portfolio. This examiner is currently managing 3 busiest examiner pending office actions. Since ZHU, JIANJIAN oversees 3 of the 5 pending office actions, this individual is a key gatekeeper for the company's current intellectual property goals. Successfully addressing the 3 busiest examiner pending office actions under ZHU, JIANJIAN is a critical step in advancing the company's overall 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
1
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (2)Due ≤ 60 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.

0
Hard (0%)
5
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (100%)

Industry Mix

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

5
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.

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
ZHU, JIANJIAN 3 58.8% +82.4%
CANDELARIA, JULIANA IRENE 1 0.0% +0.0%
CHIDIAC, NICHOLAS J 1 54.4% +34.6%

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
18354205 Methods for Differentiating Stromal Cells or Pericytes CANDELARIA, JULIANA IRENE 35d

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
17410159 APPARATUS AND METHOD IN 3D PRINTING CHIDIAC, NICHOLAS J 15d overdue
18354210 Methods for Differentiating Epithelial or Basal Cells ZHU, JIANJIAN 9d
18227001 ADVANCED MANUFACTURED TRANSWELL USING SYNTHETIC BIOINK FOR CELL CULTURE AND IN VITRO TISSUE MODELS ZHU, JIANJIAN 22d
17738694 USE OF FUNCTIONALIZED AND NON-FUNCTIONALIZED ECMS, ECM FRAGMENTS, PEPTIDES AND BIOACTIVE COMPONENTS TO CREATE CELL ADHESIVE 3D PRINTED OBJECTS ZHU, JIANJIAN —

Top Art Units

Art UnitApps
1631 3
1634 1
1744 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18227001 ADVANCED MANUFACTURED TRANSWELL USING SYNTHETIC BIOINK FOR CELL CULTURE AND IN VITRO TISSUE MODELS ZHU, JIANJIAN 1631 §103 Final Rejection 22d Pending Jul 27, 2023
18354210 Methods for Differentiating Epithelial or Basal Cells ZHU, JIANJIAN 1631 §103 Final Rejection 9d Pending Jul 18, 2023
18354205 Methods for Differentiating Stromal Cells or Pericytes CANDELARIA, JULIANA IRENE 1634 §103 Final Rejection 35d Pending Jul 18, 2023
17738694 USE OF FUNCTIONALIZED AND NON-FUNCTIONALIZED ECMS, ECM FRAGMENTS, PEPTIDES AND BIOACTIVE COMPONENTS TO CREATE CELL ADHESIVE 3D PRINTED OBJECTS ZHU, JIANJIAN 1631 §103 Non-Final OA — Pending May 06, 2022
17410159 APPARATUS AND METHOD IN 3D PRINTING CHIDIAC, NICHOLAS J 1744 §103 Final Rejection 15d overdue Pending Aug 24, 2021

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