Last updated: May 29, 2026

Application No. 17/938,752

De novo designed protein homodimers containing tunable symmetric pockets

Non-Final OA

Filed

Oct 07, 2022

Priority

Oct 13, 2021 — provisional 63/255,355

Examiner

TSAY, MARSHA M

Art Unit

1656

Tech Center

1600 — Biotechnology & Organic Chemistry

Assignee

UNIVERSITY OF WASHINGTON

OA Round

1 (Non-Final)

This examiner grants 46% of cases after interview

— +52.3% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 839 resolved cases, 2023–2026

Examiner Intelligence

TSAY, MARSHA M View full profile →

Grants 46% of resolved cases

Career Allowance Rate

383 granted / 839 resolved

-14.4% vs TC avg

Strong +52% interview lift

Without

With

+52.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 7m

Avg Prosecution

44 currently pending

Career history

893

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

59.1%

+19.1% vs TC avg

§102

3.4%

-36.6% vs TC avg

§112

4.5%

-35.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 839 resolved cases

Prosecution Timeline

Oct 07, 2022

Application Filed

Sep 10, 2025

Non-Final Rejection mailed

Apr 16, 2026

Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

17/546,001

Patent 12629331

COMPOSITIONS FOR THE TREATMENT OF SKIN CONDITIONS

4y 5m to grant Granted May 19, 2026

18/212,427

Patent 12630807

MODIFIED TRANSGLUTAMINASE

2y 11m to grant Granted May 19, 2026

18/441,456

Patent 12624378

Cell-Free Protein Synthesis

2y 2m to grant Granted May 12, 2026

17/311,137

Patent 12612648

PRODUCTION METHOD FOR GENOME-EDITED CELLS

4y 10m to grant Granted Apr 28, 2026

17/414,245

Patent 12613247

A LABELLING METHOD TO DISTINGUISH ISOBARIC AMINO ACIDS AND AMINO ACID COMBINATIONS

4y 10m to grant Granted Apr 28, 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

46%

Grant Probability

98%

With Interview (+52.3%)

3y 7m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 839 resolved cases by this examiner. Grant probability derived from career allowance rate.