USPTO serial 90507675
LEAVE NO TIL BEHIND
Reviewed by CopyMark Law Group
Status 606
- Filing date
- Status date
- Registration date
- —
- Examiner
- POLZER, NATALIE M
- Law office
- INTENT TO USE SECTION
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Richard Y. Kim
Richard Y. Kim Snell & Wilmer L.L.P.One East Washington Street, Suite 2700Phoenix, AZ 85004-2556United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 005 | Cells for medical or clinical use; cell growth media for growing cells for medical or clinical use; white blood cell or lymphocyte growth and or stimulatory factors for medical or clinical use; white blood cells or lymphocytes for medical or clinical use; medicaments, therapies and treatments containing cells or white blood cells or lymphocytes for the treatment of cancer and for the treatment of cellular disorders; medical reagents for tissue digestion, cell isolation, cell storage, cell population expansion or amplification, cell growth and or cell stimulation; medical reagents for solid tumor tissue digestion, white blood cell or lymphocyte isolation, cell storage, white blood cell or lymphocyte population expansion or amplification, and white blood cell or lymphocyte growth or stimulation | ACTIVE | — |
| 010 | Medical sample and specimen collection and processing apparatus in the nature of bags and vials for collection of solid biological tissue samples or specimens, or for collection of solid biological tumor tissue samples, and or isolation of cells therefrom or isolation and storage of cells therefrom, or isolation of white blood cells or lymphocytes therefrom, or isolation and storage of white blood cells therefrom | ACTIVE | — |
| 039 | Providing biomedical services, namely, the storage of human cells and tissues for medical use featuring tissue digestion and/or cell isolation and/or cell storage and/or cell population expansion or amplification and/or cell growth or stimulation and/or solid tumor tissue digestion and/or white blood cell or lymphocyte isolation and/or white blood cell or lymphocyte storage and/or white blood cell or lymphocyte expansion or amplification and/or white blood cell or lymphocyte growth or stimulation | ACTIVE | — |
| 042 | Research and development in the fields of tissue digestion, tumor tissue digestion, cell isolation, storage and or expansion or amplification, white blood cell or lymphocyte isolation, storage and or expansion or amplification; research and development in the fields of reagents for cell population expansion or amplification, reagents for expansion or amplification of white blood cells or lymphocytes; research and development in the fields of cell growth and or stimulatory factors, white blood cell or lymphocyte growth and stimulatory factors, tumors, white blood cells and lymphocytes; research and development in the field of medical apparatus for collection of solid biological tissue samples or specimens, or for collection of solid biological tumor tissue samples, and isolation of cells therefrom or isolation and storage of cells therefrom, or isolation of white blood cells or lymphocytes therefrom, or isolation and storage of white blood cells therefrom | ACTIVE | — |
| 044 | Providing a website featuring information in the field of the diagnosis and treatment of cancer; providing medical services, biomedical services and medical testing methods for treating patients having a tumor or solid tumor; providing biomedical services, namely, medical treatment using processed cells | 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 INSTIL BIO INC.
- Other trademarks owned by INSTIL BIO INC.
- Other trademarks in Class 005
- Other trademarks in Class 010
- Other trademarks in Class 039
- Other trademarks in Class 042
- Other trademarks in Class 044
- Similar marks named LEAVE NO TIL BEHIND
- Prosecution event MAB6 explained
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- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 10, 2025 | MAB6 | ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED | The intent-to-use application was abandoned because no acceptable Statement of Use (or valid extension) was filed before the Notice of Allowance deadline expired. The application is dead unless revived within a limited window. |
| Oct 10, 2025 | ABN6 | ABANDONMENT - NO USE STATEMENT FILED | The intent-to-use application was abandoned because no acceptable Statement of Use (or valid extension) was filed before the Notice of Allowance deadline expired. The application is dead unless revived within a limited window. |
| Aug 29, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Aug 29, 2024 | EX4G | SOU EXTENSION 4 GRANTED | — |
| Aug 29, 2024 | EXT4 | SOU EXTENSION 4 FILED | — |
| Aug 29, 2024 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Feb 29, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Feb 28, 2024 | EX3G | SOU EXTENSION 3 GRANTED | — |
| Feb 28, 2024 | EXT3 | SOU EXTENSION 3 FILED | — |
| Feb 28, 2024 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Sep 5, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Sep 1, 2023 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Sep 1, 2023 | EXT2 | SOU EXTENSION 2 FILED | — |
| Sep 1, 2023 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Jul 19, 2023 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jul 19, 2023 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | 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. |
| Jul 19, 2023 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jul 19, 2023 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jul 19, 2023 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Feb 15, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Feb 13, 2023 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Feb 13, 2023 | EXT1 | SOU EXTENSION 1 FILED | — |
| Feb 13, 2023 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Sep 6, 2022 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Jul 28, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jul 28, 2022 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | 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. |
| Jul 28, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jul 12, 2022 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Jul 12, 2022 | 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. |
| Jun 22, 2022 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jun 6, 2022 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jun 6, 2022 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Jun 6, 2022 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Jun 6, 2022 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Jun 6, 2022 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Jun 6, 2022 | ZZZX | PREVIOUS ALLOWANCE COUNT WITHDRAWN | — |
| Mar 15, 2022 | PBCR | WITHDRAWN FROM PUB - OG REVIEW QUERY | — |
| Feb 28, 2022 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Feb 25, 2022 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Feb 25, 2022 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Feb 25, 2022 | 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 23, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 23, 2022 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | 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 23, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Aug 27, 2021 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | 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. |
| Aug 27, 2021 | GNRT | NON-FINAL ACTION E-MAILED | 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. |
| Aug 27, 2021 | 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. |
| Aug 25, 2021 | DOCK | ASSIGNED TO EXAMINER | — |
| May 6, 2021 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Feb 6, 2021 | NWAP | NEW APPLICATION ENTERED | — |