Last updated: July 17, 2026

Application No. 19/195,830

DYNAMIC 129Xe GAS EXCHANGE SPECTROSCOPY

Non-Final OA

Filed

May 01, 2025

Priority

May 18, 2018 — provisional 62/673,175 +2 more

Examiner

BEGEMAN, ANDREW W

Art Unit

Tech Center

Assignee

Duke University

OA Round

1 (Non-Final)

This examiner grants 43% of cases after interview

— +20.1% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 119 resolved cases, 2023–2026

Examiner Intelligence

BEGEMAN, ANDREW W View full profile →

Grants 43% of resolved cases

Career Allowance Rate

51 granted / 119 resolved

-17.1% vs TC avg

Strong +20% interview lift

Without

With

+20.1%

Interview Lift

resolved cases with interview

Typical timeline

3y 6m

Avg Prosecution

38 currently pending

Career history

177

Total Applications

across all art units

Statute-Specific Performance

§101

1.5%

-38.5% vs TC avg

§103

93.4%

+53.4% vs TC avg

§102

1.4%

-38.6% vs TC avg

§112

3.1%

-36.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 119 resolved cases

Prosecution Timeline

May 01, 2025

Application Filed

May 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

16/541,955

Patent 12667258

SYSTEM OF MACHINE-LEARNING MEDIATED IMAGE ANALYSIS TO AID PREDICTIVE MRI-GUIDED HYPERTHERMIA TREATMENTS

6y 10m to grant Granted Jun 30, 2026

18/089,013

Patent 12667342

SYSTEM AND METHOD FOR AUTOMATICALLY ACQUIRING AND ROTATING AN ULTRASOUND VOLUME BASED ON A LOCALIZED TARGET STRUCTURE

3y 6m to grant Granted Jun 30, 2026

18/296,422

Patent 12667336

ULTRASOUND DIAGNOSTIC APPARATUS AND DISPLAY METHOD OF ULTRASOUND DIAGNOSTIC APPARATUS

3y 2m to grant Granted Jun 30, 2026

18/438,704

Patent 12670658

SYSTEM AND METHOD FOR DISPLAY PLANE VISUALIZATION THROUGH AN ULTRASOUND IMAGING VOLUME

2y 4m to grant Granted Jun 30, 2026

17/262,390

Patent 12569226

ULTRASOUND SYSTEM AND METHOD FOR GUIDED SHEAR WAVE ELASTOGRAPHY OF ANISOTROPIC TISSUE

5y 1m to grant Granted Mar 10, 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

1-2

Expected OA Rounds

43%

Grant Probability

63%

With Interview (+20.1%)

3y 6m (~2y 3m remaining)

Median Time to Grant

Low

PTA Risk

Based on 119 resolved cases by this examiner. Grant probability derived from career allowance rate.