Prosecution Insights
Last updated: October 25, 2026

Sana Biotechnology Inc.

Technology area: Biotechnology & Pharmaceuticals

7 pending office actions • 5 art units • 6 examiners • 2 of 7 (29%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Sana Biotechnology Inc. has 8 pending office actions in Biotechnology & Pharmaceuticals. The matters span 7 distinct examiners and 6 distinct art units, showing a broadly distributed docket with some examiner and art-unit overlap. Portfolio management should therefore combine centralized deadline oversight with response preparation tailored to individual examination assignments.

MOORE, JOHN DAVID is the busiest examiner, with 2 pending actions. That examiner's matters form the most apparent concentration in the supplied data and may benefit from coordinated review of claim scope and recurring technical positions. The remaining assignments require separate attention because their examination contexts are distributed across additional examiners and art units.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

7
Total Pending OAs
4
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

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.

3
Hard (43%)
3
Medium (43%)
1
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only2 (29%)
§112 only1 (14%)
Double-patenting + other1 (14%)
Multi-statute (no §101)3 (43%)

Industry Mix

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

7
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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MOORE, JOHN DAVID 2 61.1% +28.3%
BELYAVSKYI, MICHAIL A 1 63.9% +28.0%
GRABER, JAMES J 1 46.5% +57.6%
EBBINGHAUS, BRIANA NOEL 1 59.7% +63.0%
PETERS, ALEC JON 1 67.4% +54.8%
MCCORMICK, CATHERINE LYNN 1 52.3% +39.8%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18031771 HEPATOCYTE-LIKE CELLS EBBINGHAUS, BRIANA NOEL 19d overdue
18720534 MODIFIED PARAMYXOVIRIDAE FUSION GLYCOPROTEINS MOORE, JOHN DAVID —
18682798 GENETICALLY MODIFIED CELLS FOR ALLOGENEIC CELL THERAPY MOORE, JOHN DAVID —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18031771 HEPATOCYTE-LIKE CELLS EBBINGHAUS, BRIANA NOEL 19d overdue
17637789 CD24 EXPRESSING CELLS AND USES THEREOF MCCORMICK, CATHERINE LYNN 63d
18720534 MODIFIED PARAMYXOVIRIDAE FUSION GLYCOPROTEINS MOORE, JOHN DAVID —
18682798 GENETICALLY MODIFIED CELLS FOR ALLOGENEIC CELL THERAPY MOORE, JOHN DAVID —
18682778 INDUCIBLE SYSTEMS FOR ALTERING GENE EXPRESSION IN HYPOIMMUNOGENIC CELLS BELYAVSKYI, MICHAIL A —
18682797 GENETICALLY MODIFIED CELLS FOR ALLOGENEIC CELL THERAPY TO REDUCE INSTANT BLOOD MEDIATED INFLAMMATORY REACTIONS GRABER, JAMES J —
18030880 METHODS FOR TRIGGERING SAFETY KILLING MECHANISMS USING A CD47-SIRPalpha BLOCKADE AGENT PETERS, ALEC JON —

Top Art Units

Art UnitApps
1638 3
1644 1
1631 1
1632 1
1641 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18720534 MODIFIED PARAMYXOVIRIDAE FUSION GLYCOPROTEINS MOORE, JOHN DAVID 1638 §103§112 Non-Final OA — Pending Jun 14, 2024
18682798 GENETICALLY MODIFIED CELLS FOR ALLOGENEIC CELL THERAPY MOORE, JOHN DAVID 1638 §103§112 Non-Final OA — Pending Feb 09, 2024
18682778 INDUCIBLE SYSTEMS FOR ALTERING GENE EXPRESSION IN HYPOIMMUNOGENIC CELLS BELYAVSKYI, MICHAIL A 1644 §102Other Non-Final OA — Pending Feb 09, 2024
18682797 GENETICALLY MODIFIED CELLS FOR ALLOGENEIC CELL THERAPY TO REDUCE INSTANT BLOOD MEDIATED INFLAMMATORY REACTIONS GRABER, JAMES J 1631 §103§112DP Non-Final OA — Pending Feb 09, 2024
18031771 HEPATOCYTE-LIKE CELLS EBBINGHAUS, BRIANA NOEL 1632 §102§103§112 Final Rejection 19d overdue AI Ready Apr 13, 2023
18030880 METHODS FOR TRIGGERING SAFETY KILLING MECHANISMS USING A CD47-SIRPalpha BLOCKADE AGENT PETERS, ALEC JON 1641 §112 Final Rejection — Pending Apr 07, 2023
17637789 CD24 EXPRESSING CELLS AND USES THEREOF MCCORMICK, CATHERINE LYNN 1638 §102 Final Rejection 63d AI Ready Feb 23, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Sana Biotechnology Inc. have?

Sana Biotechnology Inc. has 7 pending office actions as of October 2026, spread across 5 art units and 6 examiners.

Which USPTO examiner handles the most Sana Biotechnology Inc. applications?

John David Moore has the most, with 2 of Sana Biotechnology Inc.'s pending office actions.

What technology area are Sana Biotechnology Inc.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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