Last updated: July 17, 2026

Application No. 18/581,734

PHOTORECEPTOR CELLS FOR RETINAL AND MACULAR REPAIR

Non-Final OA

Filed

Feb 20, 2024

Priority

Aug 20, 2021 — provisional 63/235,380 +1 more

Examiner

RIGA, MICHAEL ANGELO

Art Unit

1634

Tech Center

1600 — Biotechnology & Organic Chemistry

Assignee

The Johns Hopkins University

OA Round

1 (Non-Final)

This examiner grants 56% of cases after interview

— +61.7% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 64 resolved cases, 2023–2026

Examiner Intelligence

RIGA, MICHAEL ANGELO View full profile →

Grants 56% of resolved cases

Career Allowance Rate

36 granted / 64 resolved

-3.7% vs TC avg

Strong +62% interview lift

Without

With

+61.7%

Interview Lift

resolved cases with interview

Typical timeline

4y 1m

Avg Prosecution

32 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

60.6%

+20.6% vs TC avg

§102

5.6%

-34.4% vs TC avg

§112

23.9%

-16.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 64 resolved cases

Prosecution Timeline

Feb 20, 2024

Application Filed

Jul 22, 2024

Response after Non-Final Action

Apr 29, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/295,093

Patent 12668812

RECOMBINANT VECTORS SUITABLE FOR THE TREATMENT OF IPEX SYNDROME

5y 1m to grant Granted Jun 30, 2026

17/252,163

Patent 12624336

METHODS OF PRODUCING RECOMBINANT PROTEINS

5y 5m to grant Granted May 12, 2026

17/863,124

Patent 12616192

COMPOSITIONS AND METHODS FOR PRESERVING OR INCREASING PLATELET FUNCTION

3y 9m to grant Granted May 05, 2026

17/309,408

Patent 12600944

MULTIPLEX GENOME EDITING OF IMMUNE CELLS TO ENHANCE FUNCTIONALITY AND RESISTANCE TO SUPPRESSIVE ENVIRONMENT

4y 10m to grant Granted Apr 14, 2026

17/841,226

Patent 12564646

TREATMENT OF AGE-RELATED COGNITIVE DECLINE USING GENETICALLY MODIFIED VIRAL VECTORS

3y 8m to grant Granted Mar 03, 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

56%

Grant Probability

99%

With Interview (+61.7%)

4y 1m (~1y 9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 64 resolved cases by this examiner. Grant probability derived from career allowance rate.