USPTO serial 79403256
QUANTUMFLUX
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Oct 21, 2025
- Examiner
- BELL,JUNA QUEEN
- Law office
- FILE REPOSITORY (FRANCONIA)
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
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Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Charles T.J. Weigell
Charles T.J. Weigell Fross Zelnick Lehrman & Zissu, P.C.151 W 42nd Street, 17th FloorNew York, NY 10036United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 011 | Water filtration apparatus, namely, ionization apparatus for water filtration; water treatment installations, namely, modular filtration membranes for filtering and softening water and waste water for use in water filtration and purification units; water purification apparatus, namely, for use in water filters, water softeners and water purifiers for industrial purposes; membrane filtration units for water treatment apparatus; micro filter for water treatment | ACTIVE | — |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by LG CHEM, LTD.
- Other trademarks owned by NanoH2O Co., Ltd.
- Other trademarks owned by LG CHEM, LTD.
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 9, 2026 | FINO | FINAL DECISION TRANSACTION PROCESSED BY IB | — |
| Apr 30, 2026 | XXSS | GENERIC MADRID TRANSACTION SENT TO IB | — |
| Apr 30, 2026 | XXCR | GENERIC MADRID TRANSACTION CREATED | — |
| Mar 26, 2026 | NREP | NEW REPRESENTATIVE AT IB RECEIVED | — |
| Feb 12, 2026 | OPNX | NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB | — |
| Jan 27, 2026 | OPNS | NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB | — |
| Jan 27, 2026 | OPNR | NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB | — |
| Jan 21, 2026 | FICR | FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB | — |
| Dec 25, 2025 | CHLD | CHANGE OF OWNER RECEIVED FROM IB | — |
| Dec 5, 2025 | NREP | NEW REPRESENTATIVE AT IB RECEIVED | — |
| Oct 21, 2025 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Oct 21, 2025 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Sep 2, 2025 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Sep 2, 2025 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Aug 27, 2025 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jul 30, 2025 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jul 3, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Jul 3, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jul 3, 2025 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Feb 15, 2025 | RFNT | REFUSAL PROCESSED BY IB | — |
| Jan 27, 2025 | RFCS | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB | — |
| Jan 27, 2025 | RFRR | REFUSAL PROCESSED BY MPU | — |
| Dec 27, 2024 | RFCR | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW | — |
| Dec 26, 2024 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Dec 17, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| Sep 12, 2024 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Sep 12, 2024 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Sep 12, 2024 | LIMI | LIMITATION FROM ORIGINAL APPLICATION ENTERED | — |
| Aug 29, 2024 | REPR | SN ASSIGNED FOR SECT 66A APPL FROM IB | — |