Last updated: April 24, 2026

Application No. 19/390,070

Untitled Application

Unknown

Filed

1600

Examiner

CHESTNUT, BARRY A

Art Unit

1672

Tech Center

Massachusetts Institute of Technology

Assignee

Massachusetts Institute Of Technology

OA Round

1 (Non-Final)

Interview Optional

— +5.8% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 717 resolved cases, 2023–2026

Examiner Intelligence

CHESTNUT, BARRY A View full profile →

Grants 73% — above average

Career Allow Rate

524 granted / 717 resolved

+13.1% vs TC avg

Moderate +6% lift

Without

With

+5.8%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

31 currently pending

Career history

748

Total Applications

across all art units

Statute-Specific Performance

§101

4.2%

-35.8% vs TC avg

§103

42.0%

+2.0% vs TC avg

§102

21.0%

-19.0% vs TC avg

§112

22.2%

-17.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 717 resolved cases

Prosecution Timeline

1600

Application Filed

Feb 13, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/545,818

Patent 12601017

MOLECULAR DETECTION OF NOVEL CORONAVIRUSES

2y 5m to grant Granted Apr 14, 2026

17/522,150

Patent 12594329

VIRUS-LIKE PARTICLES

2y 5m to grant Granted Apr 07, 2026

18/013,863

Patent 12582709

PERSISTENT MEMORY T-CELL RESPONSES TO CANCER AND INFECTIOUS-DISEASE ANTIGENS BY MANIPULATION OF AMINO ACID-CATABOLISM PATHWAYS

2y 5m to grant Granted Mar 24, 2026

18/029,576

Patent 12576145

CRIMEAN-CONGO HEMORRHAGIC FEVER VIRUS M-SEGMENT NUCLEIC ACID VACCINE AND METHODS OF USE AND PRODUCTION

2y 5m to grant Granted Mar 17, 2026

17/617,831

Patent 12569548

RNA CONSTRUCT

2y 5m to grant Granted Mar 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

73%

Grant Probability

79%

With Interview (+5.8%)

2y 6m

Median Time to Grant

Low

PTA Risk

Based on 717 resolved cases by this examiner. Grant probability derived from career allow rate.