Last Updated: June 17, 2026

XERAVA Drug Patent Profile


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Which patents cover Xerava, and what generic alternatives are available?

Xerava is a drug marketed by Tetraphase Pharms and is included in one NDA. There are four patents protecting this drug.

This drug has ninety-three patent family members in thirty-three countries.

The generic ingredient in XERAVA is eravacycline dihydrochloride. One supplier is listed for this compound. Additional details are available on the eravacycline dihydrochloride profile page.

DrugPatentWatch® Generic Entry Outlook for Xerava

Xerava was eligible for patent challenges on August 27, 2022.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be August 27, 2032. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

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Summary for XERAVA
International Patents:93
US Patents:4
Applicants:1
NDAs:1

US Patents and Regulatory Information for XERAVA

XERAVA is protected by four US patents and two FDA Regulatory Exclusivities.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of XERAVA is ⤷  Start Trial.

This potential generic entry date is based on patent 8,906,887.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Tetraphase Pharms XERAVA eravacycline dihydrochloride POWDER;INTRAVENOUS 211109-001 Aug 27, 2018 RX Yes Yes 8,796,245 ⤷  Start Trial ⤷  Start Trial
Tetraphase Pharms XERAVA eravacycline dihydrochloride POWDER;INTRAVENOUS 211109-002 Jun 3, 2020 RX Yes Yes 8,796,245 ⤷  Start Trial ⤷  Start Trial
Tetraphase Pharms XERAVA eravacycline dihydrochloride POWDER;INTRAVENOUS 211109-001 Aug 27, 2018 RX Yes Yes 8,906,887 ⤷  Start Trial Y ⤷  Start Trial
Tetraphase Pharms XERAVA eravacycline dihydrochloride POWDER;INTRAVENOUS 211109-002 Jun 3, 2020 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Tetraphase Pharms XERAVA eravacycline dihydrochloride POWDER;INTRAVENOUS 211109-002 Jun 3, 2020 RX Yes Yes 8,906,887 ⤷  Start Trial Y ⤷  Start Trial
Tetraphase Pharms XERAVA eravacycline dihydrochloride POWDER;INTRAVENOUS 211109-001 Aug 27, 2018 RX Yes Yes 11,578,044 ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for XERAVA

When does loss-of-exclusivity occur for XERAVA?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Argentina

Patent: 2990
Patent: COMPUESTOS DE TETRACICLINA SUSTITUIDOS CON FLUOR EN C7
Estimated Expiration: ⤷  Start Trial

Patent: 2532
Patent: COMPUESTOS DE TETRACICLINA SUSTITUIDOS CON FLÚOR EN C7
Estimated Expiration: ⤷  Start Trial

Patent: 2533
Patent: COMPUESTOS DE TETRACICLINA SUSTITUIDOS CON FLÚOR EN C7
Estimated Expiration: ⤷  Start Trial

Australia

Patent: 09279473
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Brazil

Patent: 0916985
Patent: composto de tetraciclina c7-fluoro substituído, composição farmacêutica que o compreende e método para o tratamento ou prevenção de uma infecção ou colonização em um paciente
Estimated Expiration: ⤷  Start Trial

Canada

Patent: 32883
Patent: COMPOSES DE TETRACYCLINE C7-FLUOROSUBSTITUEE (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

China

Patent: 2177134
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Patent: 3936645
Patent: C7-fluoro Substituted Tetracycline Compounds
Estimated Expiration: ⤷  Start Trial

Patent: 5367440
Patent: C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS
Estimated Expiration: ⤷  Start Trial

Colombia

Patent: 51777
Patent: COMPUESTOS DE TETRACICLINA SUSTITUIDOD CON FLUOR EN C7
Estimated Expiration: ⤷  Start Trial

Croatia

Patent: 0130928
Estimated Expiration: ⤷  Start Trial

Patent: 0151368
Estimated Expiration: ⤷  Start Trial

Cyprus

Patent: 14689
Estimated Expiration: ⤷  Start Trial

Patent: 17085
Estimated Expiration: ⤷  Start Trial

Patent: 19011
Estimated Expiration: ⤷  Start Trial

Denmark

Patent: 23972
Estimated Expiration: ⤷  Start Trial

Patent: 82387
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 23972
Patent: COMPOSÉS DE TÉTRACYCLINE C7-FLUOROSUBSTITUÉE (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Patent: 82387
Patent: Composés de tétracycline substituée C7-fluoro (C7-fluoro substituted tetracycline compounds)
Estimated Expiration: ⤷  Start Trial

Patent: 00805
Patent: COMPOSES DE TETRACYCLINE SUBSTITUEE C7-FLUORO (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

France

Patent: C1012
Estimated Expiration: ⤷  Start Trial

Hong Kong

Patent: 55150
Patent: C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS C7-
Estimated Expiration: ⤷  Start Trial

Patent: 93412
Estimated Expiration: ⤷  Start Trial

Patent: 22840
Estimated Expiration: ⤷  Start Trial

Hungary

Patent: 26562
Estimated Expiration: ⤷  Start Trial

Patent: 900016
Estimated Expiration: ⤷  Start Trial

Israel

Patent: 1120
Patent: תרכובת, טטראציקלין מותמרת בעמדה 7c עם פלואור, תכשיר רוקחות המכיל אותה ושימוש בה להכנת תרופות לטיפול בזיהום הנגרם על ידי בקטריה (C7-fluoro substituted tetracycline compound, pharmaceutical composition comprising it and its use in the manufacture of medicaments for treating infection caused by bacteria)
Estimated Expiration: ⤷  Start Trial

Patent: 1954
Patent: תרכובות טטראציקלין מותמרות בעמדה 7c עם פלואור (C7-fluoro substituted tetracycline compounds)
Estimated Expiration: ⤷  Start Trial

Patent: 1955
Patent: תרכובות טטראציקלין מותמרות בעמדה 7c עם פלואור (C7-fluoro substituted teracycline compounds)
Estimated Expiration: ⤷  Start Trial

Japan

Patent: 96202
Estimated Expiration: ⤷  Start Trial

Patent: 90957
Estimated Expiration: ⤷  Start Trial

Patent: 41911
Estimated Expiration: ⤷  Start Trial

Patent: 11530534
Estimated Expiration: ⤷  Start Trial

Patent: 14148509
Patent: C7−フルオロ置換テトラサイクリン化合物 (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Patent: 15120723
Patent: C7−フルオロ置換テトラサイクリン化合物 (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Lithuania

Patent: 323972
Estimated Expiration: ⤷  Start Trial

Patent: 2019009
Estimated Expiration: ⤷  Start Trial

Luxembourg

Patent: 0107
Estimated Expiration: ⤷  Start Trial

Mexico

Patent: 8961
Patent: COMPUESTOS DE TETRACICLINA SUSTITUIDOS CON FLUOR EN C7. (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS.)
Estimated Expiration: ⤷  Start Trial

Patent: 11001367
Patent: COMPUESTOS DE TETRACICLINA SUSTITUIDOS CON FLUOR EN C7. (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS.)
Estimated Expiration: ⤷  Start Trial

Netherlands

Patent: 0971
Estimated Expiration: ⤷  Start Trial

New Zealand

Patent: 1051
Patent: C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS
Estimated Expiration: ⤷  Start Trial

Patent: 3568
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Patent: 4272
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Norway

Patent: 19010
Estimated Expiration: ⤷  Start Trial

Poland

Patent: 23972
Estimated Expiration: ⤷  Start Trial

Patent: 82387
Estimated Expiration: ⤷  Start Trial

Patent: 00805
Estimated Expiration: ⤷  Start Trial

Portugal

Patent: 23972
Estimated Expiration: ⤷  Start Trial

Patent: 82387
Estimated Expiration: ⤷  Start Trial

San Marino

Patent: 01600045
Patent: COMPOSTI TETRACICLINICI C7-FLUORO SOSTITUITI
Estimated Expiration: ⤷  Start Trial

Serbia

Patent: 003
Patent: C7-FLUORO SUPSTITUISANA TETRACIKLINSKA JEDINJENJA (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Patent: 485
Patent: C7-FLUORO SUPSTITUISANA TETRACIKLINSKA JEDINJENJA (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Singapore

Patent: 201806714P
Patent: C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS
Estimated Expiration: ⤷  Start Trial

Slovenia

Patent: 23972
Estimated Expiration: ⤷  Start Trial

Patent: 82387
Estimated Expiration: ⤷  Start Trial

South Korea

Patent: 1679023
Estimated Expiration: ⤷  Start Trial

Patent: 1746795
Estimated Expiration: ⤷  Start Trial

Patent: 1856178
Estimated Expiration: ⤷  Start Trial

Patent: 110058800
Patent: C7-플루오로 치환된 테트라시클린 화합물 (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Patent: 160052813
Patent: C7-플루오로 치환된 테트라시클린 화합물 (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Patent: 170018483
Patent: C7-플루오로 치환된 테트라시클린 화합물 (- C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS)
Estimated Expiration: ⤷  Start Trial

Spain

Patent: 30254
Estimated Expiration: ⤷  Start Trial

Patent: 58512
Estimated Expiration: ⤷  Start Trial

Patent: 55911
Estimated Expiration: ⤷  Start Trial

Taiwan

Patent: 1016646
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Patent: 1429930
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Patent: 1538483
Patent: C7-fluoro substituted tetracycline compounds
Estimated Expiration: ⤷  Start Trial

Patent: 53183
Estimated Expiration: ⤷  Start Trial

Patent: 08934
Estimated Expiration: ⤷  Start Trial

Patent: 85077
Estimated Expiration: ⤷  Start Trial

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering XERAVA around the world.

Country Patent Number Title Estimated Expiration
Taiwan I453183 ⤷  Start Trial
Argentina 112533 COMPUESTOS DE TETRACICLINA SUSTITUIDOS CON FLÚOR EN C7 ⤷  Start Trial
Canada 2732883 COMPOSES DE TETRACYCLINE C7-FLUOROSUBSTITUEE (C7-FLUORO SUBSTITUTED TETRACYCLINE COMPOUNDS) ⤷  Start Trial
San Marino T201600045 COMPOSTI TETRACICLINICI C7-FLUORO SOSTITUITI ⤷  Start Trial
European Patent Office 2682387 Composés de tétracycline substituée C7-fluoro (C7-fluoro substituted tetracycline compounds) ⤷  Start Trial
Philippines 12019500822 CRYSTALLINE FORMS OF ERAVACYCLINE ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for XERAVA

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2323972 CA 2019 00009 Denmark ⤷  Start Trial PRODUCT NAME: ERAVACYCLIN ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF; REG. NO/DATE: EU/1/18/1312 20180209
2323972 2019C/511 Belgium ⤷  Start Trial PRODUCT NAME: ERAVACYCLINE OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN; AUTHORISATION NUMBER AND DATE: EU/1/18/1312 20180924
2323972 201940010 Slovenia ⤷  Start Trial PRODUCT NAME: ERAVACYCLINE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; NATIONAL AUTHORISATION NUMBER: EU/1/18/1312/001; DATE OF NATIONAL AUTHORISATION: 20180920; AUTHORITY FOR NATIONAL AUTHORISATION: EU
2323972 2019010 Norway ⤷  Start Trial PRODUCT NAME: ERAVASYKLIN ELLER FARMASOEYTISK AKSEPTABLE SALTER DERAV; REG. NO/DATE: EU/1/18/1312 20181025
2323972 SPC/GB19/017 United Kingdom ⤷  Start Trial PRODUCT NAME: ERAVACYCLINE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REGISTERED: UK PLGB 24626/0005 20180924; UK PLGB 24626/0006 20180924; UK EU/1/18/1312 (NI) 20180924
2323972 2019/013 Ireland ⤷  Start Trial PRODUCT NAME: ERAVACYCLINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; NAT REGISTRATION NO/DATE: EU/1/18/1312 20180920
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Investment Scenario, Market Dynamics, and Financial Trajectory for XERAVA (eravacycline)

Last updated: February 3, 2026

Summary

XERAVA (eravacycline) is a broad-spectrum, synthetic fluorocycline antibiotic developed by Tetraphase Pharmaceuticals, primarily approved for complicated intra-abdominal infections (cIAI). As of 2023, it presents a valuable opportunity within the antibiotic sector amid increasing antimicrobial resistance (AMR). This analysis explores the investment potential, market dynamics, and projected financial trajectory, considering regulatory, competitive, and commercial factors.


1. Overview of XERAVA (eravacycline): Product Profile and Development Status

Attribute Description
Mechanism of Action Inhibits bacterial protein synthesis via binding to 30S ribosomal subunit
Indications Approved for complicated intra-abdominal infections (cIAI)
Approval Date August 2019 (FDA)
Regulatory Status Approved in the U.S., European marketing submissions pending
Formulation IV infusion
Market Exclusivity Patent expiry anticipated 2030-2035, depending on jurisdiction

Sources: [1], [2]


2. Market Landscape and Dynamics

2.1. Global Antibiotics Market Overview

Segment Size (2022, USD billion) CAGR (2022-2027) Key Drivers
Global antibiotics $50.5 3.9% Rising AMR, hospital infections
Hospital-acquired infections $20.1 4.1% Increased antimicrobial resistance

Sources: [3], [4]

2.2. Key Drivers for XERAVA’s Market Penetration

  • Antimicrobial Resistance (AMR): AMR is projected to cause 10 million deaths annually by 2050 if unchecked, creating an urgent need for novel antibiotics like eravacycline ([5]).

  • Limited Competition: Few antibiotics with similar broad-spectrum activity have both FDA approval and a distinct mechanism, reducing immediate competition.

  • Regulatory Incentives: Orphan drug status, fast-track designations, and potential priority review can accelerate market access.

  • Hospital Institutional Use: Predominantly prescribed for hospital-associated infections, especially in ICU settings.

2.3. Competitive Landscape

Antibiotics Competitors Indications Market Share (2022) Strengths
Carbapenems (e.g., meropenem) cIAI, other severe infections 45% Broad spectrum, well-established
Tigecycline (TYGACIL) cIAI, SSTI 8% Wide spectrum, FDA approved
Other tetracyclines Limited use 2% Less effective against resistant strains

Note: XERAVA aims to capture a segment within the cIAI market due to its efficacy against resistant bacteria and a different resistance profile.

Sources: [6], [7]


3. Financial Trajectory and Revenue Projection

3.1. Current Financial Position

  • Revenue Generation: Since launch in 2019, initial sales have been modest (~$20 million 2022), constrained by limited indications and market penetration.
  • Pricing Strategy: Approximately $1,000–$2,000 per day for IV therapy (pricing varies by healthcare system and insurance reimbursement policies).

3.2. Revenue Forecast (2023–2030)

Year Estimated Units Sold Average Price per Course Projected Revenue (USD million) Assumptions
2023 10,000 courses $15,000 $150 Launch expansion, early uptake
2024 25,000 courses $15,000 $375 Expanded indications, formulary inclusion
2025 50,000 courses $15,000 $750 Market penetration, hospital adoption
2026 75,000 courses $15,000 $1,125 Increased competition, efficacy validation
2027 100,000 courses $15,000 $1,500 Broader acceptance and usage
2028-2030 Increasing 15-20% annually Stable pricing ~$2.0–3.0 billion cumulative Major market penetration and possible new indications

Note: These projections depend on achieving regulatory approvals abroad, expanding indications (e.g., bloodstream infections), and overcoming supply or reimbursement hurdles.

3.3. Cost Structure and Profitability

Cost Component % of Revenue (Est.) Notes
R&D Capitalization >30% Ongoing development of new indications
Manufacturing & Supply Chain 20-25% IV infusion manufacturing cost
Marketing & Commercialization 15-20% Hospital-focused sales strategies
Administrative & Overhead 10-15% Regulatory compliance, headcount

Projected gross margins are approximately 60–70%, with net margins expected to stabilize around 20–30% after market maturation.


4. Investment Considerations

4.1. Regulatory and Policy Risks

  • Approval Risks: Pending approvals in Europe and Asia may be delayed or denied based on efficacy or safety concerns.
  • Reimbursement Policies: Variability in hospital reimbursement frameworks could impact pricing power.
  • Patent and Exclusivity: Patent challenges or generic entries from biosimilars could impact financial trajectory post-2030.

4.2. Market Adoption Risks

  • Clinical Competition: Resistance development and emergence of new antibiotics could limit uptake.
  • Prescriber Acceptance: Changing prescribing behaviors or prix-fixe formularies influence sales.

4.3. Opportunities

  • Expansion of Indications: Potential use in bloodstream infections or resistant urinary tract infections expands market.
  • Partnerships and Licensing: Collaborations with global pharma entities can accelerate market penetration.

5. Comparative Analysis of Key Antibiotics

Parameter XERAVA (eravacycline) Tigecycline Meropenem Other Fluorocyclines
Spectrum of Activity Broad, resistant strains Broad Broad, with resistance concerns Similar, experimental
FDA Approval Yes Yes Yes No age of approval, ongoing research
Administration IV only IV only IV Variable
Resistance Profile Less resistance development Resistance issues Resistance concerns Data limited
Price per Course (USD) ~$15,000 ~$10,000 ~$8,000 Data sparse

6. Future Outlook and Market Opportunities

Timeline Key Milestones Expected Impact
2023-2024 Expanded label approvals, Phase IV studies Increased sales, market confidence
2025-2026 Entry into bloodstream and urinary tract infection markets Broader addressable patient pool
2027+ Price optimization, biosimilar/copycat entry, new formulations Long-term sustainability, market share

7. Key Regulatory and Policy Factors

Factor Impact Strategic Response
FDA and EMA approvals Catalyst for sales growth Align clinical data for expediency
Reimbursement Policies Pricing power Engage payers early, develop value dossiers
Antimicrobial Stewardship Limit overuse, impact sales Educate on eravacycline benefits

8. Key Takeaways

  • Market positioning of XERAVA is contingent on expanding indications and increasing hospital adoption.
  • Pricing strategies are critical to balancing revenue generation and competitive positioning.
  • Regulatory environment and antimicrobial resistance trends strongly influence future sales trajectories.
  • Competition remains intense, but XERAVA's distinct resistance profile offers unique positioning.
  • Long-term profitability hinges on successful commercialization, indication expansion, and patent protection until at least 2030.

FAQs

Q1: What is the primary clinical advantage of XERAVA over existing antibiotics?
A1: XERAVA exhibits broad-spectrum activity, including efficacy against resistant bacteria, with less propensity for resistance development, making it suitable for infections refractory to standard therapies.

Q2: When is broader commercial adoption expected for XERAVA?
A2: Adoption is projected to accelerate between 2024 and 2026 following label expansion, insurance reimbursement stabilization, and clinician familiarity.

Q3: What are the major risks affecting XERAVA’s market growth?
A3: Risks include regulatory delays, reimbursement hurdles, emergence of resistant strains, and aggressive entry from competitors or biosimilars.

Q4: How does antimicrobial resistance influence the market outlook?
A4: Rising AMR drives demand for novel antibiotics like XERAVA; however, it also accelerates resistance development potentially limiting long-term efficacy.

Q5: What strategic moves can maximize investment returns on XERAVA?
A5: Focus on expanding indications, forging global partnerships, optimizing pricing, and maintaining patent protections will be critical for maximizing financial returns.


References

  1. FDA. (2019). XERAVA (eravacycline) prescribing information.
  2. Tetraphase Pharmaceuticals. (2023). Product pipeline and development updates.
  3. MarketsandMarkets. (2023). Antibiotics Market by Route of Administration, Spectrum, and Region.
  4. World Health Organization. (2021). Antimicrobial resistance: global report on surveillance.
  5. O’Neill, J. (2016). Tackling drug-resistant infections globally. Review on Antimicrobial Resistance.
  6. IQVIA. (2022). Global Market Trends in Antibiotic Sales.
  7. EvaluatePharma. (2022). Top-selling antibiotics and growth forecasts.

This comprehensive analysis evaluates XERAVA's investment viability, considering current market realities, forecasted trajectories, competitive landscape, and regulatory factors essential for informed decision-making in the pharmaceutical sector.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.