Prosecution Insights
Last updated: April 19, 2026
Application No. 18/998,174

TRADING PLATFORM INTEGRATING AUTOMATED MARKET MAKER AND ORDER BOOK

Non-Final OA §101
Filed
Jan 24, 2025
Examiner
FELTEN, DANIEL S
Art Unit
3692
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Block One LLC
OA Round
1 (Non-Final)
46%
Grant Probability
Moderate
1-2
OA Rounds
4y 11m
To Grant
58%
With Interview

Examiner Intelligence

Grants 46% of resolved cases
46%
Career Allow Rate
267 granted / 586 resolved
-6.4% vs TC avg
Moderate +12% lift
Without
With
+12.1%
Interview Lift
resolved cases with interview
Typical timeline
4y 11m
Avg Prosecution
39 currently pending
Career history
625
Total Applications
across all art units

Statute-Specific Performance

§101
32.9%
-7.1% vs TC avg
§103
34.0%
-6.0% vs TC avg
§102
7.1%
-32.9% vs TC avg
§112
23.2%
-16.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 586 resolved cases

Office Action

§101
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Information Disclosure Statement The information disclosure statement (IDS) submitted on was filed after the mailing date 01/25/2025 is in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Claim Rejections - 35 USC § 101 35 U.S.C. 101 reads as follows: Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title. Claims 1-26 are rejected under 35 U.S.C. 101 because the claimed invention is directed to an abstract idea without significantly more. In the instant case, claim 1 is directed to a method for facilitating electronic trading. claim 11 is directed to a machine readable medium, and claim 15 is directed to an apparatus. Claim 1 is directed to the abstract idea of “decentralized trading” which can be grouped under certain methods of organizing human activity used to describe concepts relating to fundamental economic principles and practices (e.g., economic systems wherein market based orders are held to be superior to centralized systems1) and/or managing transactions between people, such as creating a contractual relationships, satisfying or avoiding legal obligation and sales activities. Claim 1 recites, “… receiving…trading commands for an order…; communicating the trading commands for the order…; executing the order…integrating liquidity…;…implementing a solvency check, using a safe margin lending service for margin lending, to determine whether another order of a maximum size does not impact solvency of margin accounts based on liquidity available …, wherein, upon the solvency check determining that the other order of the maximum size does impact the solvency of the margin accounts, preemptively liquidating all margin accounts impacted; wherein the solvency check involves, by the safe margin lending service, determining a least collateralized position (LCP) and executing the solvency check against only the LCP; wherein the solvency check involves, by the safe margin lending service, querying the automated market maker for deterministic pricing data corresponding to a value for one or more assets relating to the order; and updating … with status information for the order …” Accordingly, the claim recites an abstract idea (See 2019 Revised Patent Subject Matter Eligibility Guidance). This judicial exception is not integrated into a practical application because, when analyzed under prong two of step 2A (See 2019 Revised Patent Subject Matter Eligibility Guidance), the additional elements of the claim such as “at least one processor”, “memory”, represent the use of a computer as a tool to perform an abstract idea and/or does no more than generally link the abstract idea to a particular field of use. Therefore, the additional elements do not integrate the abstract idea into a practical application as they do no more than represent a computer performing functions that correspond to decentralized trading. When analyzed under step 2B (See 2019 Revised Patent Subject Matter Eligibility Guidance), the claim does not include additional elements that are sufficient to amount to significantly more than the judicial exception itself. Viewed as a whole, the combination of elements recited in the claims merely describe the concept of decentralized trading using computer technology (e.g. processor, memory, computing device, electronic trading system). Therefore, the use of these additional elements does no more than employ a computer as a tool to automate and/or implement the abstract idea, which cannot provide significantly more than the abstract idea itself (MPEP 2106.05(I)(A)(f) & (h)). Hence, claims 1, 9, 15 and 20 are not patent eligible. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. [1] Heyek, F., “The Road to Serfdom” (1944) Any inquiry concerning this communication or earlier communications from the examiner should be directed to DANIEL S FELTEN whose telephone number is (571)272-6742. The examiner can normally be reached Flex. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Ryan D Donlon can be reached at 5712703602. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. DANIEL S. FELTEN Examiner Art Unit 3692 /DANIEL S FELTEN/Primary Examiner, Art Unit 3692
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Prosecution Timeline

Jan 24, 2025
Application Filed
Feb 07, 2026
Non-Final Rejection — §101 (current)

Precedent Cases

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
46%
Grant Probability
58%
With Interview (+12.1%)
4y 11m
Median Time to Grant
Low
PTA Risk
Based on 586 resolved cases by this examiner. Grant probability derived from career allow rate.

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