USPTO serial 79431372
CAMBI
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Apr 14, 2026
- Examiner
- ZELLNER, SIERRA E
- 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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Current trademark owner
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File a new U.S. trademark application, or speak with our attorneys.
Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Amy L. Wright
Amy L. Wright Taft, Stettinius & Hollister LLPOne Indiana Square, Suite 3500Indianapolis, IN 46204United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 011 | Plants for the treatment of sewage sludge, household waste and industrial and agricultural waste, sludge and other by-products; installations for the treatment of sewage sludge, household waste and industrial and agricultural waste, sludge and other by-products; purification installations for the treatment of sewage sludge, household waste and industrial and agricultural waste, sludge and other by-products; plants for thermal hydrolysis and steam explosion of sewage sludge, household waste, industrial sludge, industrial waste, agricultural waste and other organic material, namely, straw and wood; installations for thermal hydrolysis of sludge, household waste and industrial and agricultural waste, sludge and other by-products and other organic material, namely, straw and wood; plants for thermal hydrolysis of sludge, household waste and industrial and agricultural waste, sludge and other by-products and other organic material, namely, straw and wood; plants for conversion of sewage sludge, household waste and industrial and agricultural waste, sludge and other by-products into renewable energy and biogas; installations for conversion of sewage sludge, household waste and industrial and agricultural waste, sludge and other by-products into renewable energy and biogas. | ACTIVE | — |
| 040 | Treatment of materials, namely treatment of sludge from wastewater treatment plants; treatment of solid and liquid household waste, organic industrial waste, sewage sludge, fish waste and animal by-products; conversion of sewage sludge, household waste and industrial and agricultural waste, sludge and other by-products into renewable energy and biogas; water treatment services. | ACTIVE | — |
| 042 | Engineering services related to the treatment, transformation, and valorisation of biological, organic and industrial residual streams, engineering services related to sewage sludge, food waste, wet and dry organic waste, industrial by-products and other feedstocks, engineering services related to nutrient and energy recovery, engineering services related to process design, optimisation and automation, engineering services related to software for industrial monitoring, engineering services related to remote control and data management, engineering services, namely, advisory services relating to industrial engineering, engineering services relating to environmental technologies and circular economy solutions, namely, an environmental technology system where materials never become waste and nature is regenerated; plant engineering for sludge management; hydrological engineering services. | 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 CAMBI TECHNOLOGY AS
- Other trademarks owned by CAMBI TECHNOLOGY AS
- Other trademarks owned by CAMBI TECHNOLOGY AS
- Other trademarks in Class 011
- Other trademarks in Class 040
- Other trademarks in Class 042
- Similar marks named CAMBI
- Recently changed USPTO trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 8, 2026 | FINO | FINAL DECISION TRANSACTION PROCESSED BY IB | — |
| Sep 23, 2026 | FICS | FINAL DISPOSITION NOTICE SENT TO IB | — |
| Sep 22, 2026 | FIMP | FINAL DISPOSITION PROCESSED | — |
| Jul 14, 2026 | FICR | FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB | — |
| Apr 14, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Apr 14, 2026 | 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. |
| Feb 24, 2026 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Feb 24, 2026 | 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. |
| Feb 19, 2026 | GPNX | NOTIFICATION PROCESSED BY IB | — |
| Feb 18, 2026 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Feb 4, 2026 | OPNS | NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB | — |
| Feb 3, 2026 | OP2R | NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB | — |
| Jan 28, 2026 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jan 28, 2026 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Jan 28, 2026 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Jan 28, 2026 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Jan 28, 2026 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Jan 27, 2026 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Jan 27, 2026 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jan 27, 2026 | 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. |
| Jan 1, 2026 | RFNT | REFUSAL PROCESSED BY IB | — |
| Dec 17, 2025 | RFCS | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB | — |
| Dec 17, 2025 | RFRR | REFUSAL PROCESSED BY MPU | — |
| Nov 8, 2025 | RFCR | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW | — |
| Nov 7, 2025 | 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. |
| Nov 6, 2025 | DOCK | ASSIGNED TO EXAMINER | — |
| Sep 9, 2025 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Sep 9, 2025 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Aug 28, 2025 | REPR | SN ASSIGNED FOR SECT 66A APPL FROM IB | — |