Last updated: May 29, 2026

Application No. 17/736,759

FILM-FORMING AGENT COMPOSITION FOR CONTRAST AGENT, FILM-FORMING LIPID SOLUTION FOR CONTRAST AGENT, CONTRAST AGENT AND PREPARATION METHOD THEREOF

Non-Final OA

Filed

May 04, 2022

Priority

Jun 29, 2020 — CN 202010604201.8 +1 more

Examiner

MEJIAS, SAMANTHA LEE

Art Unit

1618

Tech Center

1600 — Biotechnology & Organic Chemistry

Assignee

Nanjing Leapsonics Technology Co. Ltd.

OA Round

2 (Non-Final)

This examiner grants 47% of cases after interview

— +62.5% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 19 resolved cases, 2023–2026

Examiner Intelligence

MEJIAS, SAMANTHA LEE View full profile →

Grants 47% of resolved cases

Career Allowance Rate

9 granted / 19 resolved

-12.6% vs TC avg

Strong +62% interview lift

Without

With

+62.5%

Interview Lift

resolved cases with interview

Typical timeline

3y 8m

Avg Prosecution

47 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

93.8%

+53.8% vs TC avg

§102

3.4%

-36.6% vs TC avg

§112

1.1%

-38.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 19 resolved cases

Prosecution Timeline

May 04, 2022

Application Filed

Apr 11, 2025

Non-Final Rejection mailed

Jun 10, 2025

Response Filed

Sep 04, 2025

Final Rejection mailed

Nov 03, 2025

Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

17/620,170

Patent 12616758

FREEZE-DRIED COMPOSITION FOR PREPARING CALIBRATED GAS-FILLED MICROVESICLES

4y 4m to grant Granted May 05, 2026

17/596,956

Patent 12576124

A FORMULATION OF A CONJUGATE OF A TUBULYSIN ANALOG TO A CELL-BINDING MOLECULE

4y 2m to grant Granted Mar 17, 2026

17/997,450

Patent 12565503

CYCLIC Gd (III) COMPLEX AND PREPARATION METHOD AND USE THEREOF

3y 4m to grant Granted Mar 03, 2026

17/772,259

Patent 12551578

COMPOUND OR SALT THEREOF

3y 9m to grant Granted Feb 17, 2026

17/796,464

Patent 12551576

CHEMILUMINESCENT PROBES

3y 6m to grant Granted Feb 17, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

2-3

Expected OA Rounds

47%

Grant Probability

99%

With Interview (+62.5%)

3y 8m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 19 resolved cases by this examiner. Grant probability derived from career allowance rate.