What is Bates numbering and when is it required?

Bates numbering is a method of stamping each page in a document set with a unique sequential identifier, typically combining a prefix and a number (e.g., SMITH000042). It is required in US federal and state civil litigation for discovery production, and is commonly used in arbitration, regulatory submissions, and any multi-party document exchange where pages must be referenced precisely.

Can I apply Bates numbers across multiple PDF files in one sequence?

Yes. Upload multiple PDFs in order, configure the starting number once, and dokk.ai applies continuous sequential numbering across all files. If the first file has 200 pages starting at SMITH000001, the second file starts at SMITH000201 automatically.

What does the format of a Bates number look like?

A typical Bates number combines a prefix identifying the producing party, a zero-padded sequential number, and sometimes a suffix. For example: PLAINTIFF-EX000042, DEF0012834, or SMITH-JONES_000001-A. dokk.ai lets you configure all three components independently.

Is the Bates stamp permanent or removable?

The stamp is written permanently into the PDF content stream, not as a removable annotation layer. It appears on every printed and digital version of the document and cannot be removed without specialized PDF editing tools.

Where should I position Bates numbers on the page?

Bottom-right corner is the most common convention in US federal courts. Some jurisdictions or document types use bottom-center or top-right. Check your jurisdiction's local rules or your client's document production protocol. dokk.ai supports all eight standard positions.

Can I add Bates numbers to scanned PDFs?

Yes. Bates numbers are added as a content overlay that works on any PDF — scanned image PDFs, native digital PDFs, and mixed documents. The stamp is placed as a text element over the page regardless of the underlying content type.

What font and size should I use for Bates numbers?

Most legal production uses a sans-serif font at 8-10pt size. This keeps the stamp small enough not to obscure document content while remaining clearly legible in print and scan. dokk.ai defaults to 9pt Helvetica, which meets most jurisdiction requirements.

Can I use Bates numbering together with redaction?

Yes. The recommended workflow for privilege review is: redact privileged content first, then apply Bates numbers. This ensures the redaction boxes are fixed in place before the permanent stamp is applied. Apply stamps after redaction, not before.

Does Bates numbering change the page count or layout?

No. Bates stamping adds text to each page's content stream without changing page dimensions, adding pages, or altering any existing content. Page count remains identical.

How is Bates numbering different from adding page numbers?

Page numbers reflect position within a single document (Page 1 of 20). Bates numbers provide unique identifiers across an entire multi-document production set. A Bates-numbered document allows any party to reference page SMITH000347 unambiguously, regardless of which file it appears in. Use dokk.ai's Page Numbers tool alongside Bates for documents that need both.

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PDF, Word, Excel, PowerPoint, images up to 25 MB

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Sequential Bates stamp on every PDF page
Customizable prefix and suffix text
Configurable starting number
Zero-padded numbering with custom digit count
Eight position options (corners and edges)
Custom font family and size
Custom text and background colors
Multi-file batch with continuous sequence
Permanent stamp written to content stream
Works on all PDF versions
Handles password-protected PDFs with owner password
TLS encrypted upload
Auto-delete after one hour
Instant download of stamped PDFs

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Legal discovery document production
Litigation exhibit preparation
Regulatory submission page identification
Contract negotiation version tracking
Insurance claim document sets
Medical record production for litigation
Government records request fulfillment
Arbitration document preparation
Corporate due diligence document sets
Patent prosecution exhibit numbering

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1Upload one or more PDF files. For multi-file batch production, upload all files in the order you want them numbered — numbering continues sequentially across files.
2Configure your Bates format: enter the prefix (e.g., SMITH-JONES), starting number, minimum digit length for zero-padding, and optional suffix.
3Choose the stamp position (bottom-right corner is standard for most jurisdictions), set font size, and optionally set a background highlight color for readability.
4Click Preview to see the stamp applied to the first page. Adjust position, size, or format as needed.
5Click Apply Bates Numbers. Download individual stamped PDFs or a ZIP archive of the complete numbered set.

Bates numbering is the standard method for uniquely identifying every page in a legal document set. Whether you are producing documents for litigation discovery, assembling exhibits for trial, or preparing records for regulatory submission, every page must carry a unique, sequential identifier that all parties can reference unambiguously. Manually stamping hundreds or thousands of pages in Adobe Acrobat is slow, error-prone, and expensive. Law firms and legal operations teams need a faster solution. dokk.ai's Bates numbering tool stamps every page of your PDF with a sequential identifier in a customizable format. Define your prefix (for example, SMITH-JONES or PLAINTIFF-EX), suffix, starting number, minimum digit count (zero-padded), and page position. The tool writes the stamp directly into the PDF content stream as a permanent, non-removable label that survives printing, export, and conversion. Customization options include font family, font size, text color, background highlight color, and precise positioning in any of the eight standard locations (all four corners and four edge centers). Multi-file batch mode lets you apply continuous sequential numbering across an entire document production set — upload 50 PDFs and they are numbered as one contiguous sequence, from SMITH000001 to SMITH004873, without manual sequencing. Bates stamping integrates naturally with dokk.ai's Page Numbers tool for adding human-readable page numbers alongside Bates identifiers, Headers and Footers for additional document metadata, and Batch Processing for high-volume production workflows. For complete litigation document preparation, combine Bates numbering with Redact to remove privileged content before stamping and producing. All files are processed over TLS and deleted after one hour. No document content is retained. For law firms handling confidential matters, dokk.ai's processing architecture ensures that client documents are never stored beyond the immediate processing session.

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All PDFs are transferred over TLS and processed on isolated servers. Files and output are automatically deleted after one hour. No document content is stored, logged, or retained. Suitable for confidential legal documents.