Last updated: April 24, 2026

Application No. 18/800,871

Untitled Application

Unknown

Filed

3700

Examiner

OUYANG, BO

Art Unit

3794

Tech Center

Varian Medical Systems, Inc.

Assignee

Varian Medical Systems, Inc.

OA Round

1 (Non-Final)

Interview Optional

— +6.2% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 381 resolved cases, 2023–2026

Examiner Intelligence

OUYANG, BO View full profile →

Grants 60% of resolved cases

Career Allow Rate

230 granted / 381 resolved

At TC average

Moderate +6% lift

Without

With

+6.2%

Interview Lift

resolved cases with interview

Typical timeline

4y 1m

Avg Prosecution

59 currently pending

Career history

440

Total Applications

across all art units

Statute-Specific Performance

§101

0.9%

-39.1% vs TC avg

§103

58.2%

+18.2% vs TC avg

§102

20.5%

-19.5% vs TC avg

§112

16.0%

-24.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 381 resolved cases

Prosecution Timeline

3700

Application Filed

Mar 14, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

16/979,664

Patent 12588940

TESTING DEVICE FOR AN ELECTROSURGICAL GENERATOR

2y 5m to grant Granted Mar 31, 2026

18/468,546

Patent 12588939

APPARATUS AND METHODS FOR REGULATING CRYOGENIC TREATMENT

2y 5m to grant Granted Mar 31, 2026

16/190,726

Patent 12569294

TIMING SYSTEM FOR USE DURING ABLATION PROCEDURE

2y 5m to grant Granted Mar 10, 2026

17/030,989

Patent 12558149

SURGICAL END EFFECTOR JAW AND ELECTRODE CONFIGURATIONS

2y 5m to grant Granted Feb 24, 2026

17/023,367

Patent 12544168

SURGICAL INSTRUMENT AND METHOD OF ASSEMBLING SURGICAL INSTRUMENT

2y 5m to grant Granted Feb 10, 2026

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

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

1-2

Expected OA Rounds

60%

Grant Probability

67%

With Interview (+6.2%)

4y 1m

Median Time to Grant

Low

PTA Risk

Based on 381 resolved cases by this examiner. Grant probability derived from career allow rate.