Sentence examples for are often invalid from inspiring English sources
Software patents with unclear boundaries are often invalid because they cover something already invented or are an obvious improvement over what was previously invented.
These methods require either predefined frequency of oscillations or the assumption of stationarity, which are often invalid in epidemiologic time series.
STEPS is free for use and is available at http://steps.sourceforge.net/ As the understanding of the molecular systems governing many aspects of cellular function improves it is becoming increasingly clear that the assumption of mass action kinetics in well-mixed volumes is often invalid.
Because of the multiplicity of phylogeny origins and the lack of a single reference taxonomic framework, some taxon names they host are often taxonomically invalid, misspelled, and/or supplemented with indications relative to primary data such as sequence accession numbers, geographical origins of the samples, marker identifiers, etc.
Java virtual machine (JVM) crashes are often due to an invalid memory reference to the JVM heap.
Such complications are often addressed by statistically invalid methods of analysis, in particular, intention-to-treat and per-protocol analyses.
Invalid defects, which are often overlooked, reduce development productivity and efficiency.
Second, our expectations of others are often dead wrong, making negotiation techniques like this invalid.
Those who do wish to address said issues in a critical manner are often frowned upon, have their views discarded as invalid, or are advised to relocate.
Values calculated for services at a biome or planetary scale (for which changes and baselines are often poorly defined) are generally considered invalid or at least highly inaccurate by economists.
Milkshakes for health: In the 19th and early 20th centuries, milkshakes were often reserved for "Invalid cookery" (invalid, often pronounced as "inva-lid", was used in older times to mean the ill, injured or disabled members of the household who often had difficulty eating solid foods).
