Prosecution Insights
Last updated: October 27, 2026

Teknologian Tutkimuskeskus Vtt Oy

Technology areas: Chemistry & Materials • Semiconductors, Circuits & Optics

21 pending office actions • 18 art units • 20 examiners • 0 of 21 (0%) have an AI response strategy ready • 19 patents granted in the last 365 days

Analysis

Teknologian Tutkimuskeskus Vtt Oy has 22 pending office actions in Chemistry & Materials. The matters span 21 distinct examiners and 19 distinct art units, showing a highly distributed prosecution profile with limited repetition at either level. Most examiner assignments are therefore matter-specific, while the art-unit spread suggests varied technical examination contexts.

CHU, CHRIS H is the busiest examiner, with 2 pending matters. Counsel can compare those matters for common issues, but the broader profile favors centralized tracking of claim terminology, cited references, and response positions across the separate assignments.

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

Portfolio Summary

21
Total Pending OAs
13
Non-Final OAs
8
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.

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

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (2)Due ≤ 60 days (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.

15
Hard (71%)
5
Medium (24%)
1
Easy (5%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (5%)
§103 only4 (19%)
§102 only1 (5%)
§112 only1 (5%)
Multi-statute (no §101)14 (67%)

Industry Mix

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

12
Life Sciences
57% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
5
Semiconductors
24% of docket
4
Mechanical / Eng
19% 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.

210 h
Manual time on pending OAs
42 h
Time saved (low, 20%)
74 h
Time saved (mid, 35%)
1.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHU, CHRIS H 2 53.1% +8.6%
TRAN, LIEN THUY 1 28.7% +26.5%
JAGAN, MIRELLYS 1 83.0% +5.7%
SWANSON, ANDREW L 1 66.5% +11.9%
CALANDRA, ANTHONY J 1 62.9% +18.6%
MINSKEY, JACOB T 1 69.2% +33.1%
ALVARE, PAUL 1 57.6% +36.8%
PAN, JIA X 1 72.4% +37.4%
BELOUSOV, ALEXANDER 1 76.6% +16.3%
MURESAN, ANA Z 1 75.0% +31.2%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
19023435 Coulomb blockade thermometer JAGAN, MIRELLYS —

Hard Cases (15)

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
18247217 METHOD AND APPARATUS FOR PRODUCING PRODUCT GAS AND USE QUIST, NICOLE LEE 29d overdue
18845005 A heat exchanger and a method of producing a matrix for a recuperative heat exchanger ALVARE, PAUL 3d overdue
18290156 Vibration measurements of objects ZHU, NOAH YI MIN 22d
18294564 A DEVICE FOR NON-INVASIVE MONITORING KRETZER, KYLE W. 27d
18570002 AN ADHESIVE SKIN PATCH AND A METHOD FOR MANUFACTURING IT MOSSBROOK, WILLIAM ERIC 40d
17907392 METHOD AND PROCESS ARRANGEMENT FOR PRODUCING SOLID PRODUCT AND USE MERKLING, MATTHEW J 43d
19104315 METHOD FOR PRODUCTION OF CELL-CULTURED INGESTION PRODUCTS TRAN, LIEN THUY —
19010008 Method for manufacturing films of high consistency nanocellulose suspensions SWANSON, ANDREW L —

Interview Candidates (8)

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
18845005 A heat exchanger and a method of producing a matrix for a recuperative heat exchanger ALVARE, PAUL 3d overdue
19104315 METHOD FOR PRODUCTION OF CELL-CULTURED INGESTION PRODUCTS TRAN, LIEN THUY —
19010008 Method for manufacturing films of high consistency nanocellulose suspensions SWANSON, ANDREW L —
18864578 Pulp production utilizing bark-containing residues as raw material CALANDRA, ANTHONY J —
18862574 Boosting the cross-machine direction shrinkage and extensibility of a fiber product MINSKEY, JACOB T —
18721891 Enhanced optical scanning module and device PAN, JIA X —
18699329 Packaging of microelectromechanical system devices BELOUSOV, ALEXANDER —
18686889 Synthesis of muconic acid (ester) from aldaric acid (ester) MURESAN, ANA Z —

Top Art Units

Art UnitApps
1748 2
2874 2
1656 2
1793 1
2855 1
1745 1
3763 1
2871 1
2818 1
1692 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19104315 METHOD FOR PRODUCTION OF CELL-CULTURED INGESTION PRODUCTS TRAN, LIEN THUY 1793 §102§103§112 Non-Final OA — Pending Feb 17, 2025
19023435 Coulomb blockade thermometer JAGAN, MIRELLYS 2855 §112 Non-Final OA — Pending Jan 16, 2025
19010008 Method for manufacturing films of high consistency nanocellulose suspensions SWANSON, ANDREW L 1745 §102§103 Non-Final OA — Pending Jan 05, 2025
18864578 Pulp production utilizing bark-containing residues as raw material CALANDRA, ANTHONY J 1748 §102§103§112 Non-Final OA — Pending Nov 11, 2024
18862574 Boosting the cross-machine direction shrinkage and extensibility of a fiber product MINSKEY, JACOB T 1748 §102§103 Non-Final OA — Pending Nov 04, 2024
18908946 Electro-optical device via arrangement CHU, CHRIS H 2874 §102§103 Non-Final OA — Pending Oct 08, 2024
18845005 A heat exchanger and a method of producing a matrix for a recuperative heat exchanger ALVARE, PAUL 3763 §102§103 Final Rejection 3d overdue Pending Sep 09, 2024
18721891 Enhanced optical scanning module and device PAN, JIA X 2871 §103 Final Rejection — Pending Jun 20, 2024
18714602 Photonic integrated circuits CHU, CHRIS H 2874 §102§103 Final Rejection — Pending May 30, 2024
18699329 Packaging of microelectromechanical system devices BELOUSOV, ALEXANDER 2818 §102 Non-Final OA — Pending Apr 08, 2024
18686889 Synthesis of muconic acid (ester) from aldaric acid (ester) MURESAN, ANA Z 1692 §103 Non-Final OA — Pending Feb 27, 2024
18294564 A DEVICE FOR NON-INVASIVE MONITORING KRETZER, KYLE W. 3791 §103§112 Non-Final OA 27d Pending Feb 02, 2024
18571268 High efficiency generation of a vapor-containing aerosol mist without added heat SARANTAKOS, KAYLA ROSE 1799 §103 Non-Final OA — Pending Dec 18, 2023
18570002 AN ADHESIVE SKIN PATCH AND A METHOD FOR MANUFACTURING IT MOSSBROOK, WILLIAM ERIC 3794 §103§112 Final Rejection 40d Pending Dec 13, 2023
18290156 Vibration measurements of objects ZHU, NOAH YI MIN 3648 §102§103 Non-Final OA 22d Pending Nov 10, 2023
18286324 ENZYMES, MICRO-ORGANISMS AND USES THEREOF, AND A METHOD OF DEGRADING A POLYOLEFIN SPANGLER, JOSEPH RANKIN 1656 §101§102§103§112Other Final Rejection — Pending Oct 10, 2023
18277149 ENZYMES, MICRO-ORGANISMS AND USES THEREOF, AND A METHOD OF DEGRADING HYDROCARBON CHAINS TSAY, MARSHA M 1656 §103§112 Non-Final OA — Pending Aug 14, 2023
18247217 METHOD AND APPARATUS FOR PRODUCING PRODUCT GAS AND USE QUIST, NICOLE LEE 1738 §103§112 Non-Final OA 29d overdue Pending Mar 29, 2023
18041783 METHOD AND PROCESS ARRANGEMENT FOR PRODUCING HYDROCARBONS AND USE CEPLUCH, ALYSSA L 1772 §103§112 Final Rejection — Pending Feb 15, 2023
17907392 METHOD AND PROCESS ARRANGEMENT FOR PRODUCING SOLID PRODUCT AND USE MERKLING, MATTHEW J 1725 §102§103 Final Rejection 43d Pending Sep 26, 2022
17790186 METHODS OF MAKING NON-WOVEN MATERIALS FROM MYCELIUM KRISHNAN, GANAPATHY 1693 §103 Final Rejection — Pending Jun 30, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Teknologian Tutkimuskeskus Vtt Oy have?

Teknologian Tutkimuskeskus Vtt Oy has 21 pending office actions as of October 2026, spread across 18 art units and 20 examiners.

Which USPTO examiner handles the most Teknologian Tutkimuskeskus Vtt Oy applications?

Chris H Chu has the most, with 2 of Teknologian Tutkimuskeskus Vtt Oy's pending office actions.

What technology area are Teknologian Tutkimuskeskus Vtt Oy's patent applications in?

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

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