ST.26 Sequence Listing Services

ST 26 Sequence Listing Services

Expert ST.26 Sequence Listing services for patent applications with XML conversion, validation, and complete WIPO standard compliance. We handle all technical requirements while maximizing protection for your valuable biological innovations. Free consultation available.

ST.26 Compliance Made Simple

WIPO Standard ST.26 introduces mandatory XML format requirements and expanded sequence disclosure rules that affect all biotechnology patent applications. Our expert team removes the complexity from this transition, providing:

Key Features of ST.26 Standard

Understanding the ST.26 standard is essential for proper biological sequence protection:

XML-Based Format

All sequence listings must use structured XML format

Expanded Sequence Coverage

Includes branched sequences, D-amino acids, and more

Modified Residue Requirements

Detailed annotation of modifications required

Enhanced Feature Annotation

More comprehensive sequence feature documentation

Our ST.26 Expertise

Understanding the ST.26 standard is essential for proper biological sequence protection:

The ST.26 Conversion Process

Converting existing ST.25 listings to ST.26 format involves more than simple reformatting. Our process includes:
Document Analysis

Comprehensive analysis of your original ST.25 listing

Identification

Identification of sequences requiring additional annotation under ST.26

Proper handling of modified residues and unusual sequences

Validation & Quality Check

Thorough validation using WIPO's Sequence Validator

Final review by biotechnology specialists

Why Choose Our ST.26 Service?

Technical Precision

Error-free listings that pass validation the first time

Regulatory Compliance

Regulatory Compliance

Full adherence to all ST.26 requirements

Efficiency

Efficiency

Quick turnaround without compromising quality

Support

Expert guidance throughout the submission process

Market Impact

Value

Competitive pricing for professional sequence listing services

What Clients Say

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Frequently Asked Questions

WIPO ST.26 is the mandatory XML-based format for biological sequence listings in patent applications filed globally after July 1, 2022, replacing the older ST.25 format with expanded sequence coverage requirements.

Only if filing new applications or amendments that include sequence listings. Existing applications filed before July 1, 2022 can maintain their ST.25 format throughout prosecution.

ST.26 requires disclosure of linear sequences with 10+ nucleotides or 4+ amino acids, including D-amino acids, branched sequences, and modified residues with specific annotation requirements.

Standard ST.26 listings are typically delivered within 3-5 business days. Rush service is available for urgent filings with delivery in 24-48 hours.

Yes, using WIPO’s free WIPO Sequence software. However, complex sequence annotations and validation issues often require professional expertise to ensure compliance.

Patent offices will issue notices requiring correction, potentially delaying examination. Critical errors may affect your filing date or limit the scope of protection.

Secure Your ST.26 Compliance with Expert Precision

Don't risk patent delays or rejections due to sequence listing errors. Our specialists ensure perfect compliance every time.

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