Prosecution Insights
Last updated: October 25, 2026

Canvas Pharmaceuticals Inc.

Technology areas: Biotechnology & Pharmaceuticals • Medical Devices & Mechanical Engineering

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

Canvas Pharmaceuticals Inc. manages a company patent portfolio in the Biotechnology & Pharmaceuticals technology area. The portfolio currently has 3 pending office actions. This count represents the total number of active procedural matters the company is currently addressing.

The prosecution is distributed across 3 distinct examiners and 3 distinct art units. The number of pending office actions matches the number of examiners and art units, which suggests that the company's intellectual property is spread across several different technical specialties. Each of the 3 pending office actions is being reviewed in a unique administrative environment.

OSWALD, KIRSTIN U is identified as the busiest examiner for the portfolio, with 1 busiest examiner pending office action. This examiner handles 1 of the 3 total pending actions. This distribution means that the company must manage three separate examiner relationships and navigate the specific requirements of 3 distinct art units simultaneously.

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

Portfolio Summary

3
Total Pending OAs
2
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

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.

2
Hard (67%)
1
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Multi-statute (no §101)2 (67%)

Industry Mix

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

2
Life Sciences
67% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
33% 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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
OSWALD, KIRSTIN U 1 59.4% +32.1%
RAO, SAVITHA M 1 60.7% +29.7%
HAGHIGHATIAN, MINA 1 46.0% +39.4%

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
18120514 LARGE SCALE SYNTHESIS OF PHARMACEUTICAL AND BIOLOGIC FORMULATIONS USING THIN FILM FREEZING OSWALD, KIRSTIN U —
18082963 COMPOSITIONS COMPRISING VORICONAZOLE INHALATION POWDER AND METHODS OF MANUFACTURE AND USE THEREOF RAO, SAVITHA M —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18120514 LARGE SCALE SYNTHESIS OF PHARMACEUTICAL AND BIOLOGIC FORMULATIONS USING THIN FILM FREEZING OSWALD, KIRSTIN U —
18082963 COMPOSITIONS COMPRISING VORICONAZOLE INHALATION POWDER AND METHODS OF MANUFACTURE AND USE THEREOF RAO, SAVITHA M —
17742945 ONCE DAILY FORMULATIONS OF TACROLIMUS HAGHIGHATIAN, MINA —

Top Art Units

Art UnitApps
3763 1
1691 1
1616 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18120514 LARGE SCALE SYNTHESIS OF PHARMACEUTICAL AND BIOLOGIC FORMULATIONS USING THIN FILM FREEZING OSWALD, KIRSTIN U 3763 §103§112 Non-Final OA — Pending Mar 13, 2023
18082963 COMPOSITIONS COMPRISING VORICONAZOLE INHALATION POWDER AND METHODS OF MANUFACTURE AND USE THEREOF RAO, SAVITHA M 1691 §102§103§112 Final Rejection — Pending Dec 16, 2022
17742945 ONCE DAILY FORMULATIONS OF TACROLIMUS HAGHIGHATIAN, MINA 1616 §103 Non-Final OA — Pending May 12, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Canvas Pharmaceuticals Inc. have?

Canvas Pharmaceuticals Inc. has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Canvas Pharmaceuticals Inc. applications?

Kirstin U Oswald has the most, with 1 of Canvas Pharmaceuticals Inc.'s pending office actions.

What technology area are Canvas Pharmaceuticals 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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