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What is PTO/SB/123B Form

The PTO/SB/123B Form is a government document used by third party requesters to change the correspondence address in a reexamination proceeding with the U.S. Patent and Trademark Office (USPTO).

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PTO/SB/123B Form is needed by:
  • Attorneys representing third party requesters
  • Inventors needing to update correspondence information
  • Businesses involved in patent reexaminations
  • Legal agents managing IP-related documents
  • Third party requesters filing on their own behalf

Comprehensive Guide to PTO/SB/123B Form

What is the PTO/SB/123B Form?

The PTO/SB/123B form is used to change the correspondence address for third-party requesters involved in reexamination proceedings with the U.S. Patent and Trademark Office (USPTO). This form ensures that all communications related to patents are directed to the correct address, which is crucial for maintaining updated information during the reexamination process. The form is valid for use through November 30, 2011, and complies with the Paperwork Reduction Act, ensuring that the information collection is efficient and necessary.

Purpose and Benefits of the PTO/SB/123B Form

Accurate and timely updates of contact details with the USPTO are essential to avoid disruptions in patent-related correspondences. The PTO/SB/123B form facilitates the efficient communication needed in ongoing patent dealings. By utilizing this form, third-party requesters can ensure that they receive all necessary updates, thus positively impacting the reexamination process. A timely submission is vital for ensuring that information is received and addressed without delay.

Who Needs the PTO/SB/123B Form?

The PTO/SB/123B form is primarily intended for attorneys and third-party requesters acting pro se. Attorneys may need this form to represent their clients effectively, while pro se requesters use it to manage their own patent-related affairs. Eligibility criteria are typically straightforward, as any third party involved in the reexamination process can utilize this form as necessary.

How to Fill Out the PTO/SB/123B Form Online (Step-by-Step)

Filling out the PTO/SB/123B form online is simplified with tools like pdfFiller. Follow these steps for successful completion:
  • Access the PTO/SB/123B form through pdfFiller.
  • Enter the reexamination proceeding control number in the designated field.
  • Provide the new correspondence address, ensuring accuracy.
  • Insert your signature in the specified area, or opt for electronic signing.
  • Review all entered information for accuracy prior to submission.
  • Save and upload the completed form directly online.

Common Errors and How to Avoid Them

When completing the PTO/SB/123B form, several common errors can occur. These include inaccuracies in the address, omission of required signatures, and failing to include the proper control number. To avoid these issues, always double-check the information provided before submission. Following a review and validation checklist can significantly enhance the accuracy of your filing.

Submission Methods for the PTO/SB/123B Form

Users can submit the completed PTO/SB/123B form through various methods, including online submission and traditional mail. Here are options for submission:
  • Online submission through the USPTO's official portal.
  • Mailing the form to the relevant recipient address indicated on the USPTO site.
After filing, you can track the submission status through USPTO channels to confirm receipt and processing of your form.

What Happens After You Submit the PTO/SB/123B Form?

Once the PTO/SB/123B form is submitted, applicants can expect a timeline for processing that may vary. Typically, updates regarding the application's status will be communicated through USPTO channels. It is essential to stay informed about any next steps required from the applicant after the submission.

Importance of Security and Compliance for the PTO/SB/123B Form

Handling sensitive information is a priority when completing the PTO/SB/123B form. pdfFiller has implemented robust security measures, including 256-bit encryption, to safeguard user data. Compliance with regulations such as HIPAA and GDPR further enhances the protection of personal information, making pdfFiller a reliable option for secure document management.

Sample of a Completed PTO/SB/123B Form

Providing a visual representation of a filled PTO/SB/123B form can serve as a valuable guide for users. This sample highlights key sections, emphasizing the importance of accuracy when filling out each field. Utilizing this example can help users understand the required information and reduce the likelihood of errors in their own submissions.

Maximize Your Form Filling Experience with pdfFiller

pdfFiller simplifies the process of completing the PTO/SB/123B form, enabling users to fill out and manage documents efficiently. Leveraging capabilities such as eSigning and editing features enhances the form-filling experience, ensuring a user-friendly and secure process.
Last updated on Apr 21, 2026

How to fill out the PTO/SB/123B Form

  1. 1.
    To begin, access the PTO/SB/123B Form on pdfFiller by searching for it in the template section or uploading a copy.
  2. 2.
    Open the form in the pdfFiller interface once you locate it, allowing for easy editing of fields.
  3. 3.
    Prior to starting, gather essential information such as the reexamination proceeding control number, the new address details, and review any signatures or additional documents you may need.
  4. 4.
    Navigate the form by clicking on the blank fields to input the required information, using pdfFiller's tools to easily fill out checkboxes and provide dates.
  5. 5.
    Review the completed form carefully to ensure all information is accurate and that no fields are left blank or incomplete.
  6. 6.
    Once you are satisfied with the filled form, you can save your changes using the save icon or download it directly to your device.
  7. 7.
    If desired, pdfFiller also offers options to submit the form electronically, so check the platform for any specific submission instructions related to the USPTO.
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FAQs

If you can't find what you're looking for, please contact us anytime!
The form is designed for attorneys or agents acting on behalf of third party requesters, as well as for third party requesters filing pro se. Ensure that you meet these roles to use the form.
You should gather the reexamination proceeding control number, the new correspondence address, and any necessary signatures before starting to ensure a smooth filling process.
You can submit the completed form by accessing the USPTO's submission portal or by following instructions found on pdfFiller, which may include electronic submission options.
Be sure to double-check that all fields are correctly filled in, especially the correspondence address and signatures. Leaving fields incomplete can result in delays or rejections.
The form is valid for use through 11/30/2011. If you're looking for a current equivalent, verify if there is an updated form available on the USPTO website.
Processing times can vary, but typically take several weeks. For the most accurate information, check the USPTO's current processing timelines for reexamination proceedings.
Generally, you will need to include identification details like the control number and relevant signatures. Check the USPTO guidelines for specific requirements for your filing.
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