Prosecution Insights
Last updated: May 29, 2026

Synlogic Operating Company, Inc.

4 pending office actions • 3 art units • 3 examiners • 0 of 4 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Portfolio Summary

4
Total Pending OAs
4
Non-Final OAs
0
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (1)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

0
Hard (0%)
1
Medium (25%)
1
Easy (25%)
2
Unknown (50%)

Rejection Statute Mix

BucketCases
§103 only1 (25%)
§112 only1 (25%)
No statute on record2 (50%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

4
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BURKHART, MICHAEL D 2 62.4% +10.9%
ROBINSON, HOPE A 1 67.9% +43.2%
SINGH, SATYENDRA K 1 60.8% +67.1%

Interview Candidates (4)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18068004 BACTERIA ENGINEERED TO REDUCE HYPERPHENYLALANINEMIA ROBINSON, HOPE A 98d overdue
17798586 RECOMBINANT BACTERIA ENGINEERED TO TREAT DISEASES ASSOCIATED WITH METHIONINE METABOLISM AND METHODS OF USE THEREOF SINGH, SATYENDRA K 91d overdue
18326637 MICROORGANISMS PROGRAMMED TO PRODUCE IMMUNE MODULATORS AND ANTI-CANCER THERAPEUTICS IN TUMOR CELLS BURKHART, MICHAEL D 43d overdue
18537897 BACTERIA ENGINEERED TO TREAT A DISEASE OR DISORDER BURKHART, MICHAEL D 16d

Top Art Units

Art UnitApps
1638 2
1652 1
1657 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18537897 BACTERIA ENGINEERED TO TREAT A DISEASE OR DISORDER BURKHART, MICHAEL D 1638 Other Non-Final OA 16d Pending Dec 13, 2023
18326637 MICROORGANISMS PROGRAMMED TO PRODUCE IMMUNE MODULATORS AND ANTI-CANCER THERAPEUTICS IN TUMOR CELLS BURKHART, MICHAEL D 1638 §112 Non-Final OA 43d overdue Pending May 31, 2023
18068004 BACTERIA ENGINEERED TO REDUCE HYPERPHENYLALANINEMIA ROBINSON, HOPE A 1652 Other Non-Final OA 98d overdue Pending Dec 19, 2022
17798586 RECOMBINANT BACTERIA ENGINEERED TO TREAT DISEASES ASSOCIATED WITH METHIONINE METABOLISM AND METHODS OF USE THEREOF SINGH, SATYENDRA K 1657 §103 Non-Final OA 91d overdue Pending Aug 10, 2022

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