Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering
76 pending office actions • 42 art units • 59 examiners • 0 of 76 (0%) have an AI response strategy ready • 69 patents granted in the last 365 days
Entegris Inc. has 78 pending office actions in Chemistry & Materials. The docket spans 62 distinct examiners and 46 distinct art units, reflecting broad examination coverage and substantial coordination demands. Multiple matters are therefore associated with the same examiner or art-unit setting, even though the portfolio remains widely distributed.
MENON, KRISHNAN S is the busiest examiner, with 5 pending matters. That concentration identifies a useful focal point for examiner-specific tracking, but it does not represent the full prosecution structure. Counsel should combine centralized docket controls with art-unit and examiner review, particularly when developing consistent positions for related technologies.
Based on the USPTO statutory response window for each pending office action. 18 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.
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. 18 of the docket's apps have a known mailing date.
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.
| Bucket | Cases |
|---|---|
| §101 + other | 1 (1%) |
| §103 only | 26 (34%) |
| §102 only | 3 (4%) |
| §112 only | 2 (3%) |
| Double-patenting only | 1 (1%) |
| Double-patenting + other | 2 (3%) |
| Multi-statute (no §101) | 41 (54%) |
How the docket's pending cases split across USPTO tech-center bands.
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.
| Examiner | Apps on this docket | Allow rate | Interview lift |
|---|---|---|---|
| MENON, KRISHNAN S | 5 | 59.7% | +11.3% |
| SPICER, JENINE MARIE | 5 | 51.0% | +19.1% |
| GRANO, ERNESTO ARTURIO | 2 | 61.2% | +25.3% |
| ALANKO, ANITA KAREN | 2 | 69.9% | -16.1% |
| MAUST, TIMOTHY LEWIS | 2 | 81.8% | +10.3% |
| MCCULLOUGH, ERIC J. | 2 | 31.9% | +43.1% |
| GONZALEZ, MADELINE | 2 | 72.4% | +16.0% |
| ALI, WAQAAS A | 2 | 81.1% | +17.8% |
| BAKSHI, PANCHAM | 2 | 76.7% | +30.2% |
| AHMED, SHAMIM | 2 | 78.5% | +22.1% |
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 # | Title | Examiner | Due in |
|---|---|---|---|
| 18732519 | OPTICAL PARTICLE COUNTER AND METHODS | HANSEN, JONATHAN M | 52d overdue |
| 17961470 | MODULAR TRAY FOR SOLID CHEMICAL VAPORIZING CHAMBER | MOORE, KARLA A | 2d overdue |
| 18740426 | BAG FITMENT HAVING INTERNAL SPIKE PORT | PATTERSON, MICHAEL CHRISTOPHER | 5d |
| 18077058 | LIQUID FILTER UNIT WITH LATERALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF | ALI, WAQAAS A | 14d |
| 17375855 | KIT FOR INSTALLING IMPELLER INTO PROCESS VESSEL | NGUYEN, HENRY H | 22d |
| 18077813 | LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF | GONZALEZ, MADELINE | 30d |
| 18097657 | WOUND-PLEATED FILTERS AND RELATED METHODS | MENON, KRISHNAN S | 47d |
| 18603048 | WIDE INSERTION ANGLE PROCESS CARRIER | BUI, LUAN KIM | 76d |
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 # | Title | Examiner | Due in |
|---|---|---|---|
| 18231926 | METHODS AND MATERIALS FOR POLISHING OF MATERIALS | AHMED, SHAMIM | 44d overdue |
| 18077058 | LIQUID FILTER UNIT WITH LATERALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF | ALI, WAQAAS A | 14d |
| 18077813 | LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF | GONZALEZ, MADELINE | 30d |
| 18097657 | WOUND-PLEATED FILTERS AND RELATED METHODS | MENON, KRISHNAN S | 47d |
| 19200333 | CONTAINER POD AND RELATED SYSTEMS AND METHODS | GRANO, ERNESTO ARTURIO | — |
| 19200397 | RETICLE POD | GRANO, ERNESTO ARTURIO | — |
| 18786243 | HYDROPHILIC FILTER MEMBRANE WITH PENDANT HYDROPHILIC GROUPS, AND RELATED METHODS OF PREPARATION AND USE | MENON, KRISHNAN S | — |
| 18778864 | METHOD AND DEVICE TO DISTRIBUTE GAS INTO A CONTAINER | MAUST, TIMOTHY LEWIS | — |
| Art Unit | Apps |
|---|---|
| 3736 | 7 |
| 1773 | 7 |
| 1713 | 6 |
| 1776 | 3 |
| 1777 | 3 |
| 1716 | 3 |
| 3735 | 2 |
| 1787 | 2 |
| 2882 | 2 |
| 1771 | 2 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 19231294 | AERODYNAMIC BLAST FREEZE CONTAINERS | HICKS, ROBERT J | 3733 | §112 | Non-Final OA | — | Pending | Jun 06, 2025 |
| 19205981 | WAFER CONTAINER PURGE PORT ASSEMBLY | GEHMAN, BRYON P | 3736 | DP | Final Rejection | — | Pending | May 12, 2025 |
| 19200333 | CONTAINER POD AND RELATED SYSTEMS AND METHODS | GRANO, ERNESTO ARTURIO | 3735 | §103§112 | Non-Final OA | — | Pending | May 06, 2025 |
| 19200397 | RETICLE POD | GRANO, ERNESTO ARTURIO | 3735 | §102 | Non-Final OA | — | Pending | May 06, 2025 |
| 19060599 | ALUMINUM-CONTAINING INHIBITOR COMPOUNDS FOR SELECTIVE DEPOSITION | FLETCHER III, WILLIAM P | — | §102§103 | Non-Final OA | — | Pending | Feb 21, 2025 |
| 19044236 | AREA SELECTIVE DEPOSITION OF ALUMINUM BASED FILMS USING ALKYL ALUMINUM AMIDINATE PRECURSORS | WEDDLE, ALEXANDER MARION | 1712 | §101§102§112 | Non-Final OA | — | Pending | Feb 03, 2025 |
| 19002615 | MULTI-METAL OXIDE COATINGS, RELATED DEVICES AND METHODS | JACKSON, MONIQUE R | 1787 | §102§103§112 | Non-Final OA | — | Pending | Dec 26, 2024 |
| 18942306 | RETICLE POD WITH AIR FLOW MANAGEMENT FEATURE | ASFAW, MESFIN T | 2882 | §103 | Final Rejection | — | Pending | Nov 08, 2024 |
| 18907434 | TEMPERATURE PROBE INSERT, ASSEMBLY THEREOF, AND KIT THEREOF | BAIR, EMMA CATHERINE | 2855 | §103 | Non-Final OA | — | Pending | Oct 04, 2024 |
| 18898556 | METHODS FOR CONTROLLING CRYSTALLINE PHASE OF MOLYBDENUM PRECURSORS AND RELATED COMPOSITIONS | KUNEMUND, ROBERT M | 1714 | §102§103 | Non-Final OA | — | Pending | Sep 26, 2024 |
| 18892069 | CONTACTS FOR REDUCING WEAR IN A RETICLE CONTAINER | PERSAUD, DEORAM | 2882 | §102§103 | Final Rejection | — | Pending | Sep 20, 2024 |
| 18887935 | ETCHANT COMPOSITIONS AND RELATED METHODS | ALANKO, ANITA KAREN | 1713 | §102§103 | Non-Final OA | — | Pending | Sep 17, 2024 |
| 18794561 | ION IMPLANTATION METHOD AND RELATED SYSTEMS | LOUIE, MANDY C | 1715 | §103 | Non-Final OA | — | Pending | Aug 05, 2024 |
| 18786243 | HYDROPHILIC FILTER MEMBRANE WITH PENDANT HYDROPHILIC GROUPS, AND RELATED METHODS OF PREPARATION AND USE | MENON, KRISHNAN S | 1771 | §102§103 | Non-Final OA | — | Pending | Jul 26, 2024 |
| 18780569 | SURFACE MODIFIED SUBSTRATES AND RELATED METHODS | CHRISTY, KATHERINE A | 1787 | §103 | Non-Final OA | — | Pending | Jul 23, 2024 |
| 18778864 | METHOD AND DEVICE TO DISTRIBUTE GAS INTO A CONTAINER | MAUST, TIMOTHY LEWIS | 3753 | §102§103 | Non-Final OA | — | Pending | Jul 19, 2024 |
| 18774874 | LIGAND-MODIFIED FILTER AND METHODS FOR REDUCING METALS FROM LIQUID COMPOSITIONS | MENON, KRISHNAN S | 1771 | §102§103 | Non-Final OA | — | Pending | Jul 16, 2024 |
| 18769237 | METAL GETTERS IN VAPORIZERS FOR IMPURITY REMOVAL | HOPKINS, ROBERT A | 1776 | §102 | Non-Final OA | — | Pending | Jul 10, 2024 |
| 18767649 | DIFFUSERS IN VAPORIZERS AND RELATED METHODS | BUI, DUNG H | 1773 | §102§103 | Non-Final OA | — | Pending | Jul 09, 2024 |
| 18761281 | MEMBRANES FOR REMOVING METALLIC SPECIES FROM AMINES | MCCULLOUGH, ERIC J. | 1773 | §103§112 | Final Rejection | — | Pending | Jul 01, 2024 |
| 18754148 | COATINGS FOR ENHANCEMENT OF PROPERTIES AND PERFORMANCE OF SUBSTRATE ARTICLES AND APPARATUS | SAMPLE, DAVID R | 1784 | §102§103 | Non-Final OA | — | Pending | Jun 26, 2024 |
| 18740426 | BAG FITMENT HAVING INTERNAL SPIKE PORT | PATTERSON, MICHAEL CHRISTOPHER | 3754 | §102§103 | Final Rejection | 5d | Pending | Jun 11, 2024 |
| 18732519 | OPTICAL PARTICLE COUNTER AND METHODS | HANSEN, JONATHAN M | 2877 | §102§103 | Non-Final OA | 52d overdue | Pending | Jun 03, 2024 |
| 18657535 | ION IMPLANTATION SYSTEM AND RELATED METHODS | SMYTH, ANDREW P | 2881 | §103 | Final Rejection | — | Pending | May 07, 2024 |
| 18651833 | ELECTROSTATIC CHUCKS AND RELATED METHODS | KHLOK, BONITA | 3761 | §103§112 | Non-Final OA | — | Pending | May 01, 2024 |
| 18648149 | METHOD AND DEVICE TO DISTRIBUTE GAS INTO A CONTAINER | MAUST, TIMOTHY LEWIS | 3753 | §102§103§112 | Non-Final OA | — | Pending | Apr 26, 2024 |
| 18624231 | SOLVENT SYSTEMS FOR SELECTIVE REMOVAL OF POLYMERIC MATERIALS | CHACKO DAVIS, DABORAH | 1737 | §102§103 | Non-Final OA | — | Pending | Apr 02, 2024 |
| 18620801 | ADDITIVE MANUFACTURED ARTICLES HAVING COATED SURFACES AND RELATED METHODS | DUMBRIS, SETH M | 1784 | §103 | Final Rejection | 61d | Pending | Mar 28, 2024 |
| 18615108 | DRY-PROCESS MEMBRANE FOR FILTRATION | ORME, PATRICK JAMES | 1779 | §103§112 | Non-Final OA | — | Pending | Mar 25, 2024 |
| 18607286 | POROUS SINTERED METAL BODIES AND METHODS OF PREPARING POROUS SINTERED METAL BODIES | HEVEY, JOHN A | 1735 | §103§112 | Non-Final OA | — | Pending | Mar 15, 2024 |
| 18603048 | WIDE INSERTION ANGLE PROCESS CARRIER | BUI, LUAN KIM | 3736 | §102§103 | Non-Final OA | 76d | Pending | Mar 12, 2024 |
| 18430567 | WET ETCH FORMULATIONS AND RELATED METHODS | PHAM, THOMAS T | 1713 | §103 | Final Rejection | — | Pending | Feb 01, 2024 |
| 18420661 | SPACERS FOR FILTRATION APPLICATIONS | GONZALEZ, MADELINE | 1773 | §102§103 | Non-Final OA | — | Pending | Jan 23, 2024 |
| 18416626 | PEEK MEMBRANES AND RELATED METHODS AND DEVICES | ROTONDI, CONNOR JON | 1779 | §103 | Non-Final OA | — | Pending | Jan 18, 2024 |
| 18410595 | ADSORBENT THAT CONTAINS POTASSIUM HYDROXIDE AND POTASSIUM CARBONATE, AND RELATED METHODS AND DEVICES | MCCAIG, BRIAN A | 1772 | §103 | Final Rejection | — | Pending | Jan 11, 2024 |
| 18403858 | METHOD FOR SELECTIVE DEPOSITION ON DIELECTRIC MATERIALS | MCCLURE, CHRISTINA D | 2898 | §103 | Non-Final OA | — | Pending | Jan 04, 2024 |
| 18527045 | METHODS AND SYSTEMS FOR REMOVING HYDROGEN PEROXIDE FROM A GAS | JOYNER, KEVIN | 1799 | §103§112 | Non-Final OA | — | Pending | Dec 01, 2023 |
| 18515101 | BAG AND BAG FITMENT INCLUDING RIGID FLUOROPOLYMER SPIKE PORT | KALIHER, HANS CHRISTIAN | 3781 | §103 | Final Rejection | 9d overdue | Pending | Nov 20, 2023 |
| 18513001 | DISILYLAMINE PRECURSORS AND RELATED METHODS | CARR, DEBORAH D | 1691 | §102§112 | Non-Final OA | — | Pending | Nov 17, 2023 |
| 18511579 | FASTENING ASSEMBLY WITH DETACHABLE LOCK PIN AND ENGAGING MEMBER | SPICER, JENINE MARIE | 3736 | §103 | Final Rejection | — | Pending | Nov 16, 2023 |
| 18383445 | MULTIPORT FILTER HOUSING AND FILTER THEREOF | ALI, WAQAAS A | 1774 | §102§103 | Final Rejection | — | Pending | Oct 24, 2023 |
| 18379060 | UNIFIED LATCH FOR WAFER CASSETTES | SPICER, JENINE MARIE | 3736 | §102§103 | Final Rejection | — | Pending | Oct 11, 2023 |
| 18378618 | COMPOUNDS AND METHODS FOR PREPARATION OF ALUMINATES | KUMAR, SRILAKSHMI K | 1700 | §103§112 | Final Rejection | — | Pending | Oct 10, 2023 |
| 18376226 | ETCHANT COMPOSITIONS AND RELATED METHODS | DUCLAIR, STEPHANIE P. | 1713 | §103 | Final Rejection | — | Pending | Oct 03, 2023 |
| 18240151 | BIS (ARENE) METAL COMPLEXES AND RELATED METHODS | BAKSHI, PANCHAM | 1623 | §112DP | Non-Final OA | — | Pending | Aug 30, 2023 |
| 18240254 | COMPOSITIONS FOR EXTREME ULTRAVIOLET LITHOGRAPHY AND RELATED METHODS | BONAPARTE, AMY C | 1692 | §102DP | Non-Final OA | — | Pending | Aug 30, 2023 |
| 18239661 | INDENYL PRECURSORS | BAKSHI, PANCHAM | 1623 | §102§103 | Non-Final OA | — | Pending | Aug 29, 2023 |
| 18231926 | METHODS AND MATERIALS FOR POLISHING OF MATERIALS | AHMED, SHAMIM | 1713 | §103 | Final Rejection | 44d overdue | Pending | Aug 09, 2023 |
| 18219447 | PROCESS FOR PREPARING PHOSPHONATE ESTERS | CHAO, ALLEN | 1622 | §102§103 | Final Rejection | — | Pending | Jul 07, 2023 |
| 18215757 | MODULES FOR DELIVERY SYSTEMS AND RELATED METHODS | BERMAN, JASON | 1794 | §103 | Final Rejection | 40d | Pending | Jun 28, 2023 |
IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.
Start Free TrialEntegris Inc. has 76 pending office actions as of October 2026, spread across 42 art units and 59 examiners.
Krishnan S Menon has the most, with 5 of Entegris Inc.'s pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.