Prosecution Insights
Last updated: October 27, 2026

Cytiva

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

19 pending office actions • 14 art units • 16 examiners • 0 of 19 (0%) have an AI response strategy ready • 22 patents granted in the last 365 days

Analysis

Cytiva has 23 pending office actions in Chemistry & Materials. The matters are spread across 19 distinct examiners and 15 distinct art units, showing a portfolio with broad examination coverage and several technical groupings.

PEO, KARA M is the busiest examiner, handling 5 pending matters. This is the clearest examiner concentration in the profile, so a coordinated review of recurring objections, claim language, and amendment positions may be useful for those cases. The remaining matters require broader examiner-specific preparation because the portfolio is not handled by a single examination group.

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

Portfolio Summary

19
Total Pending OAs
9
Non-Final OAs
10
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
2
Due this month
2
Due in next 60 days
2
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. 6 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Due ≤ 30 days (2)Due ≤ 60 days (2)Due later (2)

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.

11
Hard (58%)
5
Medium (26%)
3
Easy (16%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (5%)
§101 + other4 (21%)
§103 only2 (11%)
§112 only2 (11%)
Double-patenting only1 (5%)
Double-patenting + other3 (16%)
Multi-statute (no §101)6 (32%)

Industry Mix

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

16
Life Sciences
84% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
5% of docket
2
Mechanical / Eng
11% 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.

190 h
Manual time on pending OAs
38 h
Time saved (low, 20%)
66 h
Time saved (mid, 35%)
1.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PEO, KARA M 4 42.5% +37.8%
SONG, INJA 1 66.5% +47.7%
HUANG, RYAN 1 53.1% +31.1%
GURTOWSKI, RICHARD C 1 72.3% +37.8%
HOBBS, MICHAEL L 1 68.7% +28.4%
WINSTON III, EDWARD B 1 20.0% +31.3%
STEADMAN, DAVID J 1 57.7% +29.7%
MCGUIRK, JOHN SCHUYLER 1 77.8% +49.3%
ALI, WAQAAS A 1 81.1% +17.8%
ONDREJCAK, ANDREW DOMENIC 1 45.8% +43.2%

Hard Cases (11)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17640771 METHOD FOR CLASSIFYING MONITORING RESULTS FROM AN ANALYTICAL SENSOR SYSTEM ARRANGED TO MONITOR MOLECULAR INTERACTIONS ANDERSON-FEARS, KEENAN NEIL 35d
16995933 Method in a Chromatography System PEO, KARA M 71d
19344054 Chromatography System and Couplings Therefor PEO, KARA M —
18834983 PRINTED POROUS STRUCTURE, METHOD AND APPARATUS FOR PRODUCTION THEREOF HUANG, RYAN —
18693116 EXTRACTION OF PLASMID DNA HOBBS, MICHAEL L —
18557550 METHODS AND APPARATUS FOR CLOUD-BASED DATA MANAGEMENT AND REPORTING FOR BIOPROCESS DEVELOPMENT WINSTON III, EDWARD B —
18272249 METHOD IN BIOPROCESS PURIFICATION SYSTEM MCGUIRK, JOHN SCHUYLER —
18248041 INLINE FILTER CAP WITH MODULATED FLOWPATH ALI, WAQAAS A —

Interview Candidates (13)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18467658 Method for Cell Line Development STEADMAN, DAVID J 55d
13991239 SYSTEM AND PROCESS FOR BIOPOLYMER CHROMATOGRAPHY PEO, KARA M 70d
16995933 Method in a Chromatography System PEO, KARA M 71d
19344054 Chromatography System and Couplings Therefor PEO, KARA M —
18839118 HEAT TREATMENT OF 3D PRINTED PARTS SONG, INJA —
18834983 PRINTED POROUS STRUCTURE, METHOD AND APPARATUS FOR PRODUCTION THEREOF HUANG, RYAN —
18782221 AUTOMATED FLUID HANDLING SYSTEM GURTOWSKI, RICHARD C —
18693116 EXTRACTION OF PLASMID DNA HOBBS, MICHAEL L —

Top Art Units

Art UnitApps
1777 5
1799 2
1744 1
1772 1
1773 1
3683 1
1656 1
1796 1
3752 1
1779 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19344054 Chromatography System and Couplings Therefor PEO, KARA M 1777 §103§112 Final Rejection — Pending Sep 29, 2025
18839118 HEAT TREATMENT OF 3D PRINTED PARTS SONG, INJA 1744 §102§103§112DP Non-Final OA — Pending Aug 16, 2024
18834983 PRINTED POROUS STRUCTURE, METHOD AND APPARATUS FOR PRODUCTION THEREOF HUANG, RYAN 1772 §102§103§112 Non-Final OA — Pending Jul 31, 2024
18782221 AUTOMATED FLUID HANDLING SYSTEM GURTOWSKI, RICHARD C 1773 §112 Non-Final OA — Pending Jul 24, 2024
18693116 EXTRACTION OF PLASMID DNA HOBBS, MICHAEL L 1799 §101§112 Non-Final OA — Pending Mar 18, 2024
18557550 METHODS AND APPARATUS FOR CLOUD-BASED DATA MANAGEMENT AND REPORTING FOR BIOPROCESS DEVELOPMENT WINSTON III, EDWARD B 3683 §101 Final Rejection — Pending Oct 26, 2023
18467658 Method for Cell Line Development STEADMAN, DAVID J 1656 §103§112DP Final Rejection 55d Pending Sep 14, 2023
18272249 METHOD IN BIOPROCESS PURIFICATION SYSTEM MCGUIRK, JOHN SCHUYLER 1796 §101§102§112 Non-Final OA — Pending Jul 13, 2023
18248041 INLINE FILTER CAP WITH MODULATED FLOWPATH ALI, WAQAAS A 1777 §102§103 Final Rejection — Pending Apr 05, 2023
18006769 NOZZLE ASSEMBLY FOR A FRACTION COLLECTION UNIT ONDREJCAK, ANDREW DOMENIC 3752 §102§103§112 Non-Final OA — Pending Jan 25, 2023
18148192 Bioprocess System PRINCE JR, FREDDIE GARY 1779 DP Final Rejection — Pending Dec 29, 2022
18062481 BIOREACTOR WITH ADDITION TUBE HASSAN, LIBAN M 1799 §103DP Final Rejection 28d Pending Dec 06, 2022
17995478 METHODS FOR THE SELECTION OF NUCLEIC ACID SEQUENCES POHNERT, STEVEN C 1683 §103§112Other Final Rejection — Pending Oct 04, 2022
17776200 METHOD FOR DETERMINATION OF AGGREGATES TRAN, CHAU NGUYEN BICH 1677 §103 Final Rejection 15d Pending May 11, 2022
17640771 METHOD FOR CLASSIFYING MONITORING RESULTS FROM AN ANALYTICAL SENSOR SYSTEM ARRANGED TO MONITOR MOLECULAR INTERACTIONS ANDERSON-FEARS, KEENAN NEIL 1687 §101§103 Final Rejection 35d Pending Mar 04, 2022
16995933 Method in a Chromatography System PEO, KARA M 1777 §101§112 Non-Final OA 71d Pending Aug 18, 2020
16486193 A Method in Continuous Chromatography PEO, KARA M 1777 §103§112 Non-Final OA — Pending Aug 15, 2019
13991239 SYSTEM AND PROCESS FOR BIOPOLYMER CHROMATOGRAPHY PEO, KARA M 1777 §103 Non-Final OA 70d Pending Jun 03, 2013
18898353 FOCUSED ACOUSTIC RADIATION FOR THE EJECTION OF SUBWAVELENGTH DROPLETS RAEVIS, ROBERT R 2855 §112 Final Rejection — Pending Sep 26, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Cytiva have?

Cytiva has 19 pending office actions as of October 2026, spread across 14 art units and 16 examiners.

Which USPTO examiner handles the most Cytiva applications?

Kara M Peo has the most, with 4 of Cytiva's pending office actions.

What technology area are Cytiva's patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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