Prosecution Insights
Last updated: October 25, 2026

Krystal Biotech Inc.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 2 art units • 4 examiners • 0 of 5 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

Krystal Biotech Inc. has 6 pending office actions in Biotechnology & Pharmaceuticals. These matters are distributed among 4 examiners and 2 art units, creating a docket with repeated examination assignments within a limited art-unit structure.

NICOL, ALEXANDER W is the busiest examiner, handling 2 pending actions. That concentration makes examiner-specific consistency relevant, particularly when preparing arguments or amendments that may recur across related matters.

The difference between the number of pending actions and the number of examiners shows that some examiners handle multiple matters, while the 2 art units indicate that assignment patterns should also be reviewed at the art-unit level. Counsel can use that structure to coordinate positions without assuming identical treatment across every application.

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

Portfolio Summary

5
Total Pending OAs
2
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.

2
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
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.

1
Hard (20%)
3
Medium (60%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (60%)
§112 only1 (20%)
Multi-statute (no §101)1 (20%)

Industry Mix

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

5
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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NICOL, ALEXANDER W 2 42.7% +43.6%
WILSON, MICHAEL C 1 41.5% +17.8%
KELLY, ROBERT M 1 74.1% +24.1%
GONZALES, JOSEPHINE MARIA 1 28.8% +34.6%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17127416 COMPOSITIONS AND METHODS FOR GENE DELIVERY TO THE AIRWAYS AND/OR LUNGS GONZALES, JOSEPHINE MARIA 37d overdue
18896155 Recombinant Nucleic Acids Encoding Cosmetic Protein(s) For Aesthetic Applications WILSON, MICHAEL C —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18187884 COMPOSITIONS AND METHODS FOR TREATMENT OF NETHERTON SYNDROME KELLY, ROBERT M 44d overdue
17127416 COMPOSITIONS AND METHODS FOR GENE DELIVERY TO THE AIRWAYS AND/OR LUNGS GONZALES, JOSEPHINE MARIA 37d overdue
18896155 Recombinant Nucleic Acids Encoding Cosmetic Protein(s) For Aesthetic Applications WILSON, MICHAEL C —
18829581 Methods and Compositions for Treating Conditions Involving the Eye NICOL, ALEXANDER W —
18634382 Methods and Compositions for Treating Conditions Involving the Eye NICOL, ALEXANDER W —

Top Art Units

Art UnitApps
1638 3
1634 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18896155 Recombinant Nucleic Acids Encoding Cosmetic Protein(s) For Aesthetic Applications WILSON, MICHAEL C 1638 §103§112Other Non-Final OA — Pending Sep 25, 2024
18829581 Methods and Compositions for Treating Conditions Involving the Eye NICOL, ALEXANDER W 1634 §103Other Final Rejection — Pending Sep 10, 2024
18634382 Methods and Compositions for Treating Conditions Involving the Eye NICOL, ALEXANDER W 1634 §103 Final Rejection — Pending Apr 12, 2024
18187884 COMPOSITIONS AND METHODS FOR TREATMENT OF NETHERTON SYNDROME KELLY, ROBERT M 1638 §112 Non-Final OA 44d overdue Pending Mar 22, 2023
17127416 COMPOSITIONS AND METHODS FOR GENE DELIVERY TO THE AIRWAYS AND/OR LUNGS GONZALES, JOSEPHINE MARIA 1638 §103 Final Rejection 37d overdue Pending Dec 18, 2020

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Frequently Asked Questions

How many pending USPTO office actions does Krystal Biotech Inc. have?

Krystal Biotech Inc. has 5 pending office actions as of October 2026, spread across 2 art units and 4 examiners.

Which USPTO examiner handles the most Krystal Biotech Inc. applications?

Alexander W Nicol has the most, with 2 of Krystal Biotech Inc.'s pending office actions.

What technology area are Krystal Biotech 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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