Expert Sequence Listing Services for Your Patent Applications
We deliver error-free, PTO-compliant sequence listings with fast turnaround, competitive pricing, and expert precision – ensuring your patent applications avoid delays and rejections.
Our Clients
Sequence Listing Challenges
- Errors in sequence listings cause costly delays and office actions.
- Mistakes can lead to patent application rejections.
- Creating compliant sequence listings requires specialized expertise.
- Without expertise, the process is time-consuming and distracts from core innovation.
Unprotected IP Risks from Non-Compliant Sequence Listings
Competitor Threats
Similar patents may be filed while compliance hurdles persist.
Costly Delays
Rejections extend timelines and escalate expenses.
Inefficient Corrections
In-house attempts often require multiple amendments, wasting time.
Scope Compromise
Errors may narrow patent claims, weakening protection.
Market Impact
Prolonged time-to-market reduces competitive advantage.
Flawless Sequence Listings Guaranteed
End-to-End Service
Handle sequence data extraction, formatting, and validation.
Rapid Turnaround
Perfectly formatted listings ready in 1-2 days.
Confident Filing
Focus on innovation while we ensure compliance.
Advanced Validation
Proprietary tools catch errors standard methods miss.
We are the leading Patent Sequence Listing Company
At our Sequence Listing Company, we specialize exclusively in creating perfect patent sequence listings for biotechnology and pharmaceutical companies. Founded by patent attorneys and bioinformatics specialists with over 10 years of experience, we understand the critical intersection of scientific innovation and intellectual property protection. Our dedicated team has helped hundreds of companies successfully navigate the complex regulatory requirements of sequence listings across global patent offices. We combine technical precision with regulatory expertise to ensure your valuable innovations receive the protection they deserve without delays or complications.
Our Expertise
- Specialized expertise in WIPO ST.25 and ST.26 standards
- Customized solutions for complex biological sequences
- Guaranteed compliance with patent office requirements
- Rapid 24-48 hour turnaround time
- Comprehensive quality assurance process
Trust Your Patent Sequence Listings to the Industry's Leading Experts
What will our Sequence Listing Search Report Cover?
- A list of nucleotide and amino acid sequences relevant to a patent application
- XML format (for ST.26) or TXT (for ST.25) with full SEQ ID data, Organism source (e.g., human, mouse, chimeric), Molecule type (e.g., genomic DNA, cDNA, mRNA, protein), annotations, and qualifiers details etc.
- PDF preview of the listing for internal client verification
- Summary with sequence mapping table with SEQ ID NOs, sequence type, source, length, and associated annotations.
What Clients Say
Sequence Listing Knowledge Center
The World Intellectual Property Organization (WIPO) sequence listing requirements represent a critical component of international patent applications in biotechnology and life sciences.
In the expanding field of pharmaceutical and biotechnology innovation, the proper and standardized publication of nucleotide and amino acid sequences is essential in the securing of intellectual property rights.
Frequently Asked Questions
What are sequence listings?
A sequence listing is a document that is used to provide the nucleotide and amino acid sequences that are disclosed in a patent application. It is the part of the description of the patent application. The sequence listing contains annotations that tell about the sequence and they are the equivalence to the WIPO standard for the relevant part (ST.25 or ST.26). It is a means for an invention’s sequence data to be searchable within an IP office and in publicly available databases (e.g., INSDC databases).
Why are sequence listings required?
They make sure that there is consistency in the way biological sequences are disclosed in patent applications all over the world, thus making it easier for the examination to be carried out and enabling the efficient electronic data exchange between patent offices.
When is a sequence listing required?
A sequence listing must be given if you have a patent application where you have disclosed one or more nucleotide or amino acid sequences that are included in the definition of sequence disclosure according to the rules that are in force.
What is WIPO Standard ST.26?
ST.26 is the contemporary international specification for carrying out sequence listing in an XML format. It supersedes the are ST.25 standard. The last date it is allowed for the international applications to be filed without the use of ST.26 is July 1, 2022.
How does ST.26 differ from ST.25?
ST.26 is different from the ST.25 standard in that it makes use of XML instead of plain text. The inclusion of D-amino acids, the branched sequence part, and nucleotide analogs is also required. Besides, it gives room for elaborated annotations through the feature keys and the qualifiers, it also forbids the shorter sequences (less than 10 nucleotides or 4 amino acids) which were allowed in ST.25.
Is ST.26 mandatory for all applications?
Yes, ST.26 is required for every international patent application (PCT) that was filed on or after July 1, 2022 and in accordance with this, many national/regional applications are also subject to local implementation.
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Effectual Services is an award-winning Intellectual Property (IP) management advisory & Consulting firm.
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